app8_20.java

JAVA 2面向对象程序设计(随书范例程序)7-9.rar.rar

// app8_20,匿名内部类
public class app8_20
{
   public static void main(String args[])
   {  
      (new Caaa(){void set_num(int n){num=n;
       System.out.println("num= "+ num);}}).set_num(5);
   }

   static class Caaa
   {
       int num;
   }
}