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coding.practice.io
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hellp15.java
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package cjcj;
class hellp15{//표현하기 위한 클래스,메인클래스
public static void main(String[]arg) {//표현하고자하는 부분을 생성한다고 생각할 것.
OUter e =new OUter();//외부클래스를 생성화한다.
OUter.INner m = e.new INner();//외부클래스를 작성하며 내부클래스를 작성한다.
m.mathod();//내부클래스의 메서드
}
}
class OUter{//외부클래스
int value = 10;//외부클래스의 초기화
class INner{//내부클래스
int value = 20;//내부클래스의 초기화
void mathod() {//메서드
int value = 30 ;//지역변수의 초기화
System.out.println(value);//지역변수
System.out.println(this.value);//내부클래스 , 내부클래스는 this를 붙인다.
System.out.println(OUter.this.value);//외부클래스 , 외부클래스이름과this.이름을 붙인다.
}
}
}
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