Java for AP CS A · ⁨AP CS A용 Java⁩

Every lesson runs in your browser — write real code, press Run, and the tasks check themselves. Free, no account needed, with translated notes paired with English. · ⁨모든 수업은 브라우저에서 실행됩니다 — 실제 코드를 작성하고 '실행' 버튼을 누르면 과제가 자동 점검합니다. 무료이며 계정 없이 이용 가능하며, 영문과 짝지어진 번역 메모가 제공됩니다.⁩

Start the course · ⁨과정 시작⁩

Lessons in this course · ⁨이 과정의 수업⁩

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1. history A short history of Java · ⁨Java의 짧은 역사⁩ Reading and resources
2. usage What Java is used for · ⁨Java의 활용 분야⁩ Reading and resources
3. resources Where to learn more · ⁨더 배우는 곳⁩ Reading and resources
4. setup Set up your computer · ⁨컴퓨터 설정하기⁩ Reading and resources
5. 01 Java basics: classes, main, and output · ⁨Java 기초: 클래스, main, 출력⁩ 2 required tasks Video · ⁨영상⁩
6. 02 Using objects: String, Math, and wrappers 3 required tasks Video · ⁨영상⁩
7. 03 Booleans and selection: if/else and logic 3 required tasks Video · ⁨영상⁩
8. 04 Loops: while, for, and accumulation 3 required tasks Video · ⁨영상⁩
9. 05 Strings and nested loops 3 required tasks Video · ⁨영상⁩
10. 06 Writing a class: fields, constructor, methods · ⁨클래스 작성: 필드, 컨스트럭터, 메소드⁩ 3 required tasks Video · ⁨영상⁩
11. 07 Encapsulation: private fields, getters, setters · ⁨은닉:private 필드, getter, setter⁩ 3 required tasks Video · ⁨영상⁩
12. 08 1-D arrays: store, index, and traverse · ⁨1차원 배열: 저장, 인덱스, 순회⁩ 3 required tasks Video · ⁨영상⁩
13. 09 Array algorithms: max, count, search, average · ⁨배열 알고리즘: 최대값, 카운트, 검색, 평균⁩ 4 required tasks Video · ⁨영상⁩
14. 10 ArrayList: a list that grows · ⁨ArrayList: 커지는 목록⁩ 3 required tasks Video · ⁨영상⁩
15. 11 ArrayList algorithms: filter and the remove bug 3 required tasks Video · ⁨영상⁩
16. 12 2-D arrays: working with a grid · ⁨2차원 배열: 그리드 활용⁩ 3 required tasks Video · ⁨영상⁩
17. 13 Searching: linear and binary · ⁨검색: 선형 및 이진⁩ 3 required tasks Video · ⁨영상⁩
18. 14 Sorting: selection and insertion sort 3 required tasks Video · ⁨영상⁩
19. 15 Recursion: base case and recursive case · ⁨재귀: 기본 조건 및 재귀 조건⁩ 3 required tasks Video · ⁨영상⁩
20. 16 Text files: write and read with Scanner · ⁨텍스트 파일: Scanner로 쓰기 및 읽기⁩ 2 required tasks Video · ⁨영상⁩
21. 17 Inheritance: extends, super, and overriding 3 required tasks Video · ⁨영상⁩
22. 18 Polymorphism: dynamic dispatch and toString() 3 required tasks Video · ⁨영상⁩
23. 19 FRQ workshop: the 4 question types · ⁨FRQ 워크숍: 4가지 유형⁩ 2 required tasks Video · ⁨영상⁩

Language reference · ⁨언어 참고 자료⁩

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