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Java의 정석 : 기초편

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Java의 정석 : 기초편
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책 정보

· 제목 : Java의 정석 : 기초편 
· 분류 : 국내도서 > 컴퓨터/모바일 > 프로그래밍 언어 > 자바
· ISBN : 9788994492049
· 쪽수 : 1000쪽
· 출판일 : 2019-12-30

책 소개

최근 10년 넘게 자바 분야의 베스트 셀러 1위를 지켜온 '자바의 정석'의 기초편. 저자가 강의실과 카페에서 15년간 직접 독자들에게 답변을 해오면서 초보자가 어려워하는 부분을 잘 파악하고 만들었다. 코딩을 처음 배우는 사람도 자바를 쉽게 배울수 있게 도와준다.

목차

Chapter 1. 자바를 시작하기 전에

01 자바(Java)란? ··············································································································2

02 자바의 역사 ···················································································································3

03 자바의 특징 ···················································································································4

04 자바 가상 머신(JVM) ····································································································6

05 자바 개발도구(JDK) 설치하기 ······················································································7

06 자바 개발도구(JDK) 설정하기 ····················································································11

07 자바 API문서 설치하기 ·······························································································15

08 첫 번째 자바 프로그램 작성하기 ················································································16

09 자바 프로그램의 실행과정 ··························································································18

10 이클립스 설치하기 ······································································································19

11 이클립스로 자바 프로그램 개발하기 ··········································································23

12 이클립스의 뷰, 퍼스펙티브, 워크스페이스 ·································································26

13 이클립스 단축키 ··········································································································28

14 이클립스의 자동 완성 기능 ··························································································30

15 주석(comment) ··········································································································32

16 자주 발생하는 에러와 해결방법 ·················································································34

17 책의 소스와 강의자료 다운로드 ·················································································36

18 이클립스로 소스파일 가져오기 ···················································································38

19 이클립스에서 소스파일 내보내기 ···············································································41

Chapter 2. 변수

01 화면에 글자 출력하기 - print( )과 println( ) ······························································46

02 덧셈 뺄셈 계산하기 ·····································································································47

03 변수의 선언과 저장 ···································································································48

04 변수의 타입 ··················································································································50

05 상수와 리터럴 ·············································································································51

06 리터럴의 타입과 접미사 ·····························································································52

07 문자 리터럴과 문자열 리터럴 ·····················································································53

08 문자열 결합 ·················································································································54

09 두 변수의 값 바꾸기 ···································································································55

10 기본형과 참조형 ··········································································································56

11 기본형의 종류와 범위 ·································································································57

12 printf를 이용한 출력 ·································································································58

13 printf를 이용한 출력 예제 ··························································································59

14 화면으로부터 입력받기 ·······························································································61

15 정수형의 오버플로우 ·································································································62

16 부호있는 정수의 오버플로우 ·····················································································64

17 타입 간의 변환방법 ·····································································································66

연 습 문 제 ···························································································································67

Chapter 3. 연산자

01 연산자와 피연산자 ······································································································70

02 연산자의 종류 ·············································································································71

03 연산자의 우선순위 ······································································································72

04 연산자의 결합규칙 ······································································································73

05 증감 연산자 ++과 -- ································································································74

06 부호 연산자 ·················································································································76

07 형변환 연산자 ·············································································································77

08 자동 형변환 ·················································································································78

09 사칙 연산자 ·················································································································79

10 산술 변환 ····················································································································80

11 Math.round( )로 반올림하기 ······················································································83

12 나머지 연산자 ·············································································································84

13 비교 연산자 ··················································································································85

14 문자열의 비교 ·············································································································86

15 논리 연산자 && || ! ································································································87

16 논리 부정 연산자 ········································································································90

17 조건 연산자 ·················································································································91

18 대입 연산자 ··················································································································93

19 복합 대입 연산자 ··········································································································94

연 습 문 제 ···························································································································95

Chapter 4. 조건문과 반복문

01 if문 ·······························································································································98

02 조건식의 다양한 예 ·····································································································99

03 블럭{} ························································································································100

04 if - else문 ··················································································································101

05 if - else if문 ···············································································································102

06 if - else if문 예제 ······································································································103

07 중첩 if문 ····················································································································104

08 중첩 if문 예제 ···········································································································105

09 switch문 ···················································································································106

10 switch문의 제약조건 ·································································································107

11 switch문의 제약조건 예제 ·······················································································108

12 임의의 정수만들기 Math.random( ) ········································································109

13 for문 ··························································································································110

14 for문 예제 ·················································································································112

15 중첩 for문 ·················································································································113

16 while문 ·····················································································································115

17 while문 예제1 ··········································································································116

18 while문 예제2 ··········································································································117

19 do - while문 ··············································································································118

20 break문 ····················································································································119

21 continue문 ···············································································································120

22 break문과 continue문 예제 ···················································································121

23 이름 붙은 반복문 ······································································································122

24 이름 붙은 반복문 예제 ·····························································································123

연 습 문 제 ·························································································································125

Chapter 5. 배열

01 배열이란? ·················································································································130

02 배열의 선언과 생성 ···································································································131

03 배열의 인덱스 ···········································································································132

04 배열의 길이(배열이름.length) ··················································································133

05 배열의 초기화 ···········································································································134

06 배열의 출력 ···············································································································135

07 배열의 출력 예제 ······································································································136

08 배열의 활용(1) – 총합과 평균 ·················································································137

09 배열의 활용(2) – 최대값과 최소값 ··········································································138

10 배열의 활용(3) – 섞기(shuffle) ···············································································139

11 배열의 활용(4) - 로또 번호 만들기 ··········································································140

12 String배열의 선언과 생성 ························································································141

13 String배열의 초기화 ·································································································142

14 String클래스 ·············································································································143

15 String클래스의 주요 메서드 ·····················································································144

16 커맨드 라인을 통해 입력받기 ···················································································145

17 이클립스에서 커맨드라인 매개변수 입력하기 ··························································146

18 2차원 배열의 선언 ····································································································147

19 2차원 배열의 인덱스 ·································································································148

20 2차원 배열의 초기화 ·································································································149

21 2차원 배열의 초기화 예제1 ·····················································································150

22 2차원 배열의 초기화 예제2 ·····················································································151

23 2차원 배열의 초기화 예제3 ·····················································································152

24 Arrays로 배열 다루기 ······························································································153

연 습 문 제 ·························································································································154

Chapter 6. 객체지향 프로그래밍 I

01 객체지향 언어 ···········································································································160

02 클래스와 객체 ···········································································································161

03 객체의 구성요소 – 속성과 기능 ··············································································162

04 객체와 인스턴스 ·········································································································163

05 한 파일에 여러 클래스 작성하기 ··············································································164

06 객체의 생성과 사용 ···································································································165

07 객체의 생성과 사용 예제 ··························································································168

08 객체배열 ····················································································································169

09 클래스의 정의(1) – 데이터와 함수의 결합 ······························································170

10 클래스의 정의(2) – 사용자 정의 타입 ·····································································171

11 선언위치에 따른 변수의 종류 ···················································································173

12 클래스 변수와 인스턴스 변수 ···················································································174

13 클래스 변수와 인스턴스 변수 예제 ··········································································175

14 메서드란? ················································································································176

15 메서드의 선언부 ········································································································177

16 메서드의 구현부 ········································································································178

17 메서드의 호출 ···········································································································179

18 메서드의 실행 흐름 ···································································································180

19 메서드의 실행 흐름 예제 ···························································································181

20 return문 ····················································································································182

21 반환값 ·······················································································································183

22 호출스택(call stack) ································································································184

23 기본형 매개변수 ········································································································185

24 참조형 매개변수 ········································································································186

25 참조형 반환타입 ······································································································187

26 static 메서드와 인스턴스 메서드 ·············································································188

27 static 메서드와 인스턴스 메서드 예제 ····································································189

28 static을 언제 붙여야 할까? ·······················································································190

29 메서드 간의 호출과 참조 ··························································································191

30 오버로딩(overloading) ····························································································192

31 오버로딩(overloading) 예제 ···················································································194

32 생성자(constructor) ·······························································································195

33 기본 생성자(default constructor) ·········································································196

34 매개변수가 있는 생성자 ···························································································198

35 매개변수가 있는 생성자 예제 ···················································································199

36 생성자에서 다른 생성자 호출하기 - this( ) ······························································200

37 객체 자신을 가리키는 참조변수 - this ···································································202

38 변수의 초기화 ···········································································································203

39 멤버변수의 초기화 ···································································································204

40 멤버변수의 초기화 예제1 ·························································································205

41 멤버변수의 초기화 예제2 ·························································································206

연 습 문 제 ·························································································································207

Chapter 7. 객체지향 프로그래밍 Ⅱ

01 상속 ···························································································································222

02 상속 예제 ··················································································································224

03 클래스 간의 관계 – 포함관계 ··················································································225

04 클래스 간의 관계 결정하기 ·····················································································226

05 단일 상속(single inheritance) ················································································227

06 Object클래스 – 모든 클래스의 조상 ······································································228

07 오버라이딩(overriding) ····························································································229

08 오버라이딩의 조건 ····································································································230

09 오버로딩 vs. 오버라이딩 ··························································································231

10 참조변수 super ········································································································232

11 super( ) – 조상의 생성자 ·······················································································233

12 패키지(package) ·····································································································234

13 패키지의 선언 ···········································································································235

14 클래스 패스(classpath) ···························································································236

15 import문 ···················································································································237

16 static import문 ·······································································································238

17 제어자(modifier) ·······································································································239

18 static – 클래스의, 공통적인 ···················································································240

19 final – 마지막의, 변경될 수 없는 ··········································································241

20 abstract – 추상의, 미완성의 ··················································································242

21 접근 제어자(access modifier) ················································································243

22 캡슐화와 접근 제어자 ·······························································································244

23 다형성(polymorphism) ·····························································································246

24 참조변수의 형변환 ·····································································································248

25 참조변수의 형변환 예제 ···························································································249

26 instanceof 연산자 ····································································································250

27 매개변수의 다형성 ·····································································································251

28 매개변수의 다형성 예제 ···························································································253

29 여러 종류의 객체를 배열로 다루기 ··········································································254

30 여러 종류의 객체를 배열로 다루기 예제 ·································································255

31 추상 클래스(abstract class) ···················································································257

32 추상 메서드(abstract method) ···············································································258

··················································································268

41 디폴트 메서드와 static메서드 예제 ·········································································269

42 내부 클래스(inner class) ·························································································270

43 내부 클래스의 종류와 특징 ······················································································271

44 내부 클래스의 선언 ···································································································272

45 내부 클래스의 제어자와 접근성 ···············································································273

46 내부 클래스의 제어자와 접근성 예제1 ····································································274

47 내부 클래스의 제어자와 접근성 예제2 ·····································································275

48 내부 클래스의 제어자와 접근성 예제3 ····································································276

49 내부 클래스의 제어자와 접근성 예제4 ····································································277

50 내부 클래스의 제어자와 접근성 예제5 ····································································278

51 익명 클래스(anonymous class) ·············································································279

52 익명 클래스(anonymous class) 예제 ····································································280

연 습 문 제 ·························································································································281

Chatper 8. 예외처리

01 프로그램 오류 ···········································································································292

02 예외 클래스의 계층구조 ···························································································293

03 Exception과 RuntimeException ···········································································294

04 예외 처리하기 – try - catch문 ·················································································295

05 try - catch문에서의 흐름 ··························································································296

06 예외의 발생과 catch블럭 ·························································································297

07 printStackTrace( )와 getMessage( ) ····································································299

08 멀티 catch블럭 ········································································································300

09 예외 발생시키기 ········································································································301

10 checked예외, unchecked예외 ·············································································302

11 메서드에 예외 선언하기 ···························································································303

12 메서드에 예외 선언하기 예제1 ················································································304

13 메서드에 예외 선언하기 예제2 ················································································305

14 finally블럭 ·················································································································306

15 사용자 정의 예외 만들기 ··························································································307

16 사용자 정의 예외 만들기 예제 ·················································································308

17 예외 되던지기(exception re - throwing) ································································310

18 연결된 예외(chained exception) ···········································································312

19 연결된 예외(chained exception) 예제 ··································································314

연 습 문 제 ·························································································································316

Chapter 9. java.lang패키지와유용한 클래스

01 Object클래스 ············································································································324

02 Object클래스의 메서드 - equals( ) ········································································325

03 equals( )의 오버라이딩 ····························································································326

04 Object클래스의 메서드 - hashCode( ) ··································································327

05 Object클래스의 메서드 - toString( ) ······································································328

06 toString( )의 오버라이딩 ··························································································329

07 String클래스 ·············································································································330

08 문자열(String)의 비교 ·······························································································331

09 문자열 리터럴(String리터럴) ····················································································332

10 빈 문자열(empty string) ··························································································333

11 String클래스의 생성자와 메서드 ·············································································334

12 join( )과 StringJoiner ······························································································337

13 문자열과 기본형 간의 변환 ······················································································338

14 문자열과 기본형 간의 변환 예제 ··············································································339

15 StringBuffer클래스 ··································································································340

16 StringBuffer의 생성자 ·····························································································341

17 StringBuffer의 변경 ·································································································342

18 StringBuffer의 비교 ·································································································343

19 StringBuffer의 생성자와 메서드 ··············································································344

20 StringBuffer의 생성자와 메서드 예제 ·····································································346

21 StringBuilder ···········································································································347

22 Math클래스 ···············································································································348

23 Math의 메서드 ··········································································································349

24 Math의 메서드 예제 ·································································································350

25 래퍼(wrapper) 클래스 ······························································································351

26 래퍼(wrapper) 클래스 예제 ·····················································································352

27 Number클래스 ·········································································································353

28 문자열을 숫자로 변환하기 ························································································354

29 문자열을 숫자로 변환하기 예제 ···············································································355

30 오토박싱 & 언박싱 ····································································································356

31 오토박싱 & 언박싱 예제 ···························································································357

연 습 문 제 ·························································································································358

Chapter 10. 날짜와 시간 & 형식화

01 날짜와 시간 ···············································································································366

02 Calendar클래스 ·······································································································367

03 Calendar 예제1 ······································································································368

04 Calendar 예제2 ······································································································370

05 Calendar 예제3 ······································································································371

06 Calendar 예제4 ······································································································372

07 Calendar 예제5 ······································································································373

08 Date와 Calendar간의 변환 ·····················································································374

09 형식화 클래스 ···········································································································375

10 DecimalFormat ·······································································································376

11 DecimalFormat 예제1 ····························································································377

12 DecimalFormat 예제2 ····························································································378

13 SimpleDateFormat ·································································································379

14 SimpleDateFormat 예제1 ······················································································380

15 SimpleDateFormat 예제2 ······················································································381

16 SimpleDateFormat 예제3 ······················································································382

연 습 문 제 ·························································································································383

Chapter 11. 컬렉션 프레임웍

01 컬렉션 프레임웍 ········································································································388

02 컬렉션 프레임웍의 핵심 인터페이스 ········································································389

03 Collection인터페이스 ································································································390

04 List인터페이스 ··········································································································391

05 Set인터페이스 ··········································································································392

06 Map인터페이스 ········································································································393

07 ArrayList ··················································································································394

08 ArrayList의 메서드 ··································································································395

09 ArrayList 예제 ·········································································································396

10 ArrayList의 추가와 삭제 ··························································································398

11 Java API소스보기 ····································································································399

12 LinkedList ················································································································400

13 LinkedList의 추가와 삭제 ·······················································································401

14 ArrayList와 LinkedList의 비교 ···············································································402

15 Stack과 Queue ·······································································································403

16 Stack과 Queue의 메서드 ·······················································································404

17 Stack과 Queue 예제 ······························································································405

18 인터페이스를 구현한 클래스 찾기 ············································································406

19 Stack과 Queue의 활용 ···························································································407

20 Stack과 Queue의 활용 예제1 ················································································408

21 Stack과 Queue의 활용 예제2 ················································································409

22 Iterator, ListIterator, Enumeration ········································································411

23 Iterator, ListIterator, Enumeration 예제 ······················································· 412

24 Map과 Iterator ·········································································································413

25 Arrays의 메서드(1) - 복사 ·······················································································414

26 Arrays의 메서드(2) - 채우기, 정렬, 검색 ································································415

27 Arrays의 메서드(3) - 비교와 출력 ··········································································416

28 Arrays의 메서드(4) - 변환 ······················································································417

29 Arrays의 메서드 예제 ······························································································418

30 Comparator와 Comparable ··················································································420

31 Comparator와 Comparable 예제 ·········································································421

32 Integer와 Comparable ···························································································422

33 Integer와 Comparable 예제 ··················································································423

34 HashSet ···················································································································424

35 HashSet 예제1 ········································································································425

36 HashSet 예제2 ········································································································426

37 HashSet 예제3 ········································································································427

38 HashSet 예제4 ········································································································428

39 TreeSet ····················································································································429

40 이진 탐색 트리(binary search tree) ······································································430

41 이진 탐색 트리의 저장과정 ······················································································431

42 TreeSet의 메서드 ····································································································432

43 TreeSet 예제1 ·········································································································433

44 TreeSet 예제2 ·········································································································434

45 TreeSet 예제3 ·········································································································435

46 HashMap과 Hashtable ··························································································436

47 HashMap의 키(key)와 값(value) ···········································································437

48 HashMap의 메서드 ·································································································438

49 HashMap 예제1 ······································································································439

50 HashMap 예제2 ······································································································441

51 HashMap 예제3 ······································································································442

52 Collections의 메서드 - 동기화 ···············································································443

53 Collections의 메서드 - 변경불가, 싱글톤 ·······························································444

54 Collections의 메서드 - 단일 컬렉션 ·······································································445

55 Collections 예제 ······································································································446

56 컬렉션 클래스 정리 & 요약 ······················································································448

연 습 문 제 ·························································································································449

Chapter 12. 지네릭스, 열거형, 애너테이션

01 지네릭스(Generics) ·································································································458

02 타입 변수 ··················································································································459

03 타입 변수에 대입하기 ·······························································································460

04 지네릭스의 용어 ········································································································461

05 지네릭 타입과 다형성 ·······························································································462

06 지네릭 타입과 다형성 예제 ······················································································463

07 Iterator ················································································································464

08 HashMap ········································································································465

09 제한된 지네릭 클래스 ·······························································································466

10 제한된 지네릭 클래스 예제 ······················································································467

11 지네릭스의 제약 ········································································································468

12 와일드 카드 ···············································································································469

13 와일드 카드 예제 ······································································································470

14 지네릭 메서드 ···········································································································471

15 지네릭 타입의 형변환 ·······························································································473

16 지네릭 타입의 제거 ···································································································474

17 열거형(enum) ···········································································································475

18 열거형의 정의와 사용 ·······························································································476

19 열거형의 조상 – java.lang.Enum ··········································································477

20 열거형 예제 ··············································································································478

21 열거형에 멤버 추가하기 ···························································································479

22 열거형에 멤버 추가하기 예제 ···················································································480

23 애너테이션이란? ·······································································································481

24 표준 애너테이션 ········································································································483

25 @Override ···············································································································484

26 @Deprecated ··········································································································485

27 @FunctionalInteface ·····························································································486

28 @SuppressWarnings ·····························································································487

29 메타 애너테이션 ········································································································488

30 @Target ···················································································································489

31 @Retention ··············································································································490

32 @Documented, @Inherited ···················································································491

33 @Repeatable ··········································································································492

34 애너테이션 타입 정의하기 ························································································493

35 애너테이션의 요소 ····································································································494

36 모든 애너테이션의 조상 ···························································································497

37 마커 애너테이션 ········································································································498

38 애너테이션 요소의 규칙 ···························································································499

39 애너테이션의 활용 예제 ···························································································500

연 습 문 제 ·························································································································502

Chapter 13. 쓰레드

01 프로세스(process)와 쓰레드(thread) ·····································································506

02 멀티쓰레딩의 장단점 ································································································507

03 쓰레드의 구현과 실행 ·······························································································508

04 쓰레드의 구현과 실행 예제 ······················································································509

05 쓰레드의 실행 - start( ) ····························································································510

06 start( )와 run( ) ·········································································································511

07 main쓰레드 ···············································································································512

08 싱글쓰레드와 멀티쓰레드 ·························································································513

09 싱글쓰레드와 멀티쓰레드 예제1 ··············································································514

10 싱글쓰레드와 멀티쓰레드 예제2 ··············································································515

11 쓰레드의 I/O블락킹(blocking) ·················································································517

12 쓰레드의 I/O블락킹(blocking) 예제1 ·····································································518

13 쓰레드의 I/O블락킹(blocking) 예제2 ·····································································519

14 쓰레드의 우선순위 ····································································································520

15 쓰레드의 우선순위 예제 ···························································································521

16 쓰레드 그룹(thread group) ·····················································································523

17 쓰레드 그룹(thread group)의 메서드 ·····································································524

18 데몬 쓰레드(daemon thread) ·················································································525

19 데몬 쓰레드(daemon thread) 예제 ········································································526

20 쓰레드의 상태 ···········································································································527

21 쓰레드의 실행제어 ····································································································528

22 sleep( ) ·····················································································································529

23 sleep( ) 예제 ············································································································530

24 interrupt( ) ················································································································531

25 interrupt( ) 예제 ·······································································································532

26 suspend( ), resume( ), stop( ) ···············································································533

27 suspend( ), resume( ), stop( ) 예제 ······································································534

28 join( )과 yield( ) ········································································································535

29 join( )과 yield( ) 예제 ································································································536

30 쓰레드의 동기화(synchronization) ·········································································537

31 synchronized를 이용한 동기화 ··············································································538

32 synchronized를 이용한 동기화 예제1 ···································································539

33 synchronized를 이용한 동기화 예제2 ···································································540

34 wait( )과 notify( ) ······································································································541

35 wait( )과 notify( ) 예제1 ···························································································542

36 wait( )과 notify( ) 예제2 ···························································································545

연 습 문 제 ·························································································································548

Chapter 14. 람다와 스트림

01 람다식(Lambda Expression) ·················································································552

02 람다식 작성하기 ········································································································553

03 람다식의 예 ···············································································································554

04 람다식은 익명 함수? 익명 객체! ··············································································555

05 함수형 인터페이스(Functional Interface) ······························································556

06 함수형 인터페이스 타입의 매개변수, 반환 타입 ······················································557

07 java.util.function패키지 ···························································································559

08 java.util.function패키지 예제 ··················································································561

09 Predicate의 결합 ·····································································································562

10 Predicate의 결합 예제 ····························································································563

11 컬렉션 프레임웍과 함수형 인터페이스 ····································································564

12 컬렉션 프레임웍과 함수형 인터페이스 예제 ····························································565

13 메서드 참조 ···············································································································566

14 생성자의 메서드 참조 ·······························································································567

15 스트림(stream) ·········································································································568

16 스트림의 특징 ···········································································································569

17 스트림 만들기 - 컬렉션 ····························································································571

18 스트림 만들기 - 배열 ·······························································································572

19 스트림 만들기 – 임의의 수 ·····················································································573

20 스트림 만들기 – 특정 범위의 정수 ·········································································574

21 스트림 만들기 – 람다식 iterate( ), generate( ) ················································· 575

22 스트림 만들기 – 파일과 빈 스트림 ·········································································576

23 스트림의 연산 ···········································································································577

24 스트림의 연산 - 중간연산 ························································································578

25 스트림의 연산 - 최종연산 ························································································579

26 스트림의 중간연산 - skip( ), limit( ) ········································································580

27 스트림의 중간연산 - filter( ), distinct( ) ··································································581

28 스트림의 중간연산 - sorted( ) ···············································································582

29 스트림의 중간연산 - Comparator의 메서드 ··························································583

30 스트림의 중간연산 – map( ) ···················································································585

31 스트림의 중간연산 – map( ) 예제 ··········································································586

32 스트림의 중간연산 – peek( ) ·················································································587

33 스트림의 중간연산 – flatMap( ) ·············································································588

34 스트림의 중간연산 – flatMap( ) 예제 ·····································································589

35 Optional ··············································································································590

36 Optional객체 생성하기 ·······················································································591

37 Optional객체의 값 가져오기 ··············································································592

38 OptionalInt, OptionalLong, OptionalDouble ·················································· 593

39 Optional 예제 ·····································································································594

40 스트림의 최종연산 – forEach( ) ·············································································595

41 스트림의 최종연산 - 조건검사 ·················································································596

42 스트림의 최종연산 – reduce( ) ··············································································597

43 스트림의 최종연산 – reduce( )의 이해 ··································································598

44 스트림의 최종연산 – reduce( ) 예제 ·····································································599

45 collect( )와 Collectors ····························································································600

46 스트림을 컬렉션, 배열로 변환 ··················································································601

47 스트림의 통계 - counting( ), summingInt( ) ··························································602

48 스트림을 리듀싱 - reducing( ) ················································································603

49 스트림을 문자열로 결합 - joining( ) ········································································604

50 스트림의 그룹화와 분할 ···························································································605

51 스트림의 분할 - partitioningBy( ) ···········································································606

52 스트림의 분할 - partitioningBy( ) 예제 ··································································608

53 스트림의 그룹화 - groupingBy( ) ···········································································611

54 스트림의 그룹화 - groupingBy( ) 예제 ··································································613

55 스트림의 변환 ···········································································································618

연 습 문 제 ·························································································································620

Chapter 15. 입출력

01 입출력(I/O)과 스트림(stream) ··················································································624

02 바이트 기반 스트림–InputStream,OutputStream ··································································625

03 보조 스트림 ···············································································································626

04 문자기반 스트림 – Reader, Writer ·······································································627

05 바이트 기반 스트림과 문자 기반 스트림의 비교 ······················································628

06 InputStream과 OutputStream ···············································································629

07 InputStream과 OutputStream 예제1 ····································································630

08 InputStream과 OutputStream 예제2 ····································································631

09 InputStream과 OutputStream 예제3 ····································································632

10 FileInputStream과 FileOutputStream ···································································634

11 FileInputStream과 FileOutputStream 예제1 ·····························································635

12 FileInputStream과 FileOutputStream 예제2 ·····························································636

13 FilterInputStream과 FilterOutputStream ······························································637

14 BufferedInputStream ······························································································638

15 BufferedOutputStream ··························································································639

16 BufferedOutputStream 예제 ··················································································640

17 SequenceInputStream ··························································································642

18 SequenceInputStream 예제 ··················································································643

19 PrintStream ··············································································································644

20 문자 기반 스트림 – Reader ···················································································645

21 문자 기반 스트림 – Writer ·····················································································646

22 FileReader와 FileWriter ·························································································647

23 StringReader와 StringWriter ·················································································649

24 BufferedReader와 BufferedWriter ·······································································650

25 InputStreamReader, OutputStreamWriter ···························································651

26 표준 입출력(Standard I/O) ·····················································································653

27 표준 입출력의 대상변경 ···························································································654

28 표준 입출력의 대상변경 예제 ···················································································655

29 File ····························································································································656

30 File 예제1 ·················································································································657

31 File 예제2 ·················································································································659

32 File 예제3 ·················································································································660

33 File 예제4 ·················································································································661

34 직렬화(serialization) ································································································662

35 ObjectInputStream, ObjectOutputStream ···························································663

36 직렬화가 가능한 클래스 만들기 ···············································································665

37 직렬화 대상에서 제외시키기 - transient ································································666

38 직렬화와 역직렬화 예제1 ·························································································667

39 직렬화와 역직렬화 예제2 ·························································································668

40 직렬화와 역직렬화 예제3 ·························································································669

연 습 문 제 ·························································································································670

Chapter 16. 네트워킹

01 네트워킹(networking)이란? ····················································································676

02 클라이언트와 서버(client & server) ········································································677

03 IP주소(IP address) ··································································································678

04 네트워크 주소와 호스트 주소 ···················································································679

05 InetAddress클래스 ··································································································680

06 InetAddress클래스 예제 ·························································································681

07 URL(Uniform Resource Locator) ·········································································682

08 URL클래스 ················································································································683

09 URL클래스 예제 ·······································································································684

10 URLConnection클래스 ···························································································685

11 URLConnection클래스 예제1 ················································································687

12 URLConnection클래스 예제2 ················································································688

13 URLConnection클래스 예제3 ················································································689

14 소켓(socket) 프로그래밍 ·························································································690

15 TCP와 UDP ··············································································································691

16 TCP소켓 프로그래밍 ································································································692

17 Socket과 ServerSocket ·························································································693

18 TCP소켓 프로그래밍 예제1 ·····················································································694

19 TCP소켓 프로그래밍 예제2 ·····················································································696

20 UDP 소켓 프로그래밍 - Client ················································································699

21 UDP 소켓 프로그래밍 - Server ··············································································700

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