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public class Jb34_InnerClass2
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{
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public static void main(String[] args)
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{
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new Outer().method();
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new Outer2().method();
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}
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}
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/*
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Ϊʲô<EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֱ<EFBFBD>ӷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ⲿ<EFBFBD><EFBFBD><EFBFBD>еij<EFBFBD>Ա
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<EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ⲿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>á<EFBFBD> <EFBFBD>ⲿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>.this
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*/
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class Outer
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{
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int num = 1;
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class Inner
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{
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int num = 2;
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void show()
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{
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int num = 3;
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System.out.println(num); //<2F><>ӡshow<6F><77><EFBFBD><EFBFBD><EFBFBD>ڵij<DAB5>Ա
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System.out.println(this.num); //<2F><>ӡ<EFBFBD>ڲ<EFBFBD><DAB2>еij<D0B5>Ա
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System.out.println(Outer.this.num); //<2F><>ӡ<EFBFBD>ⲿ<EFBFBD><E2B2BF><EFBFBD>еij<D0B5>Ա
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}
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}
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void method()
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{
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new Inner().show();
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}
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}
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//JDK1.7֮ǰ<EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ھֲ<EFBFBD>λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֻ<EFBFBD>ܷ<EFBFBD><EFBFBD>ʾֲ<EFBFBD><EFBFBD>б<EFBFBD>final<EFBFBD><EFBFBD><EFBFBD>εľֲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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//JDK1.8ʱ<EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ھֲ<EFBFBD>λ<EFBFBD><EFBFBD><EFBFBD>Ͽ<EFBFBD><EFBFBD><EFBFBD>ֱ<EFBFBD>ӷ<EFBFBD><EFBFBD>ʾֲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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class Outer2
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{
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int num = 1;
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void method()
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{
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int x = 2; //<2F>ֲ<EFBFBD><D6B2><EFBFBD><EFBFBD><EFBFBD>x
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class Inner2
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{
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void show()
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{
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System.out.println("show"+x);
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}
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}
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Inner2 in = new Inner2();
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in.show();
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}
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}
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