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public class ClassA {{
private int i = 1;
private int i2 = 0;

public void method(){
i2 ++;
}
}

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private Çʵ尡 ¼±¾ð ÈÄ¿¡ ÁöÁ¤µÇÁö ¾Ê¾Ò½À´Ï´Ù. final·Î ¼±¾ðÇØ¾ß ÇÕ´Ï´Ù.
public class ClassA {{
private final int i = 1;
private int i2 = 0;

public void method(){
i2 ++;
}
}