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View Code 1 interface USB{ 2 public void start(); 3 public void stop(); 4 } 5 class Computer{ 6 public static void plugin(USB usb){ 7 usb.start(); 8 System.out.println("=========USB device is working======"); 9 usb.stop();10 }11 };12 class Flash implements US... 阅读全文
posted @ 2012-03-06 20:55
谈笑风生膜法师
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View Code 1 class A{ 2 public void fun1(){ 3 System.out.println("fun1-----"); 4 } 5 public void fun2(){ 6 this.fun1(); 7 } 8 }; 9 class B extends A{10 public void fun1(){11 System.out.println("fun1-----覆写");12 }13 public void fun3(){14 Sys... 阅读全文
posted @ 2012-03-06 20:19
谈笑风生膜法师
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View Code 1 class A{ 2 public void fun1(){ 3 System.out.println("fun1-----"); 4 } 5 public void fun2(){ 6 this.fun1(); 7 } 8 }; 9 class B extends A{10 public void fun1(){11 System.out.println("fun1-----覆写");12 }13 public void fun2(){14 Sys... 阅读全文
posted @ 2012-03-06 19:42
谈笑风生膜法师
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