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JAVA + SPRING BOOT · 26 lessons

Basics → OOP → Collections → Modern Java → Spring Boot + JPA

26-lesson track: basics, OOP, collections/generics, exceptions/IO, modern Java, and Spring Boot through JPA. Each lesson bundles a README, runnable example code (`src/*.java`), a homework spec and the answer.

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Part 1: 기초 (Basics)

4 lessons

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Part 2: 객체지향 (OOP)

5 lessons

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Part 3: 컬렉션과 제네릭

3 lessons

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Part 4: 예외·IO·모던 자바

4 lessons

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Part 5: Spring Boot + JPA

10 lessons

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