ڸ̿  ҽ ڵ  
1. ҽ ڵ غ
  (: JavaBookSource.zip) ϴ   մϴ.

2. ڸ   Ʈ 
IntelliJ IDEA մϴ.

 ȭ鿡 [Open] (Ǵ  ޴ File > Open) Ŭմϴ.

   é  ϰ **[OK]** ϴ.(  chap01)

:   ƴ  ü ؾ Ʈ νĵ˴ϴ.

"Trust Project" â ߸ **[Trust Project]** Ŭմϴ.

3. Ʈ  Ȯ (ʼ)
ҽ ڵ尡  ǥõǰų  ʴ´ٸ JDK  ʿմϴ.

޴ [File] > [Project Structure] (Ű: Ctrl+Alt+Shift+S / Mac: Cmd+;) Ŭմϴ.

[Project]  ̵մϴ.

SDK ׸ <No SDK> Ǿ ִٸ, ġ **JDK (: 17, 21 )** մϴ.

ġ JDK ٸ [Download JDK]  ٷ ٿε  ֽϴ.

Language level SDK  ´ Ȯϰ [Apply] > **[OK]** ϴ.

4.  ϱ
 Project Ž⿡ ϴ é ڹ (Example.java)  Ŭ ϴ.

ڵ  public static void main(String[] args)  ִ **ʷϻ  ư()** Ŭմϴ.

**[Run 'Example.main()']** ϸ ϴ ܼâ  µ˴ϴ.