打字猴:1.700461773e+09
1700461773 System.out.println(“构造函数被执行了……”);
1700461774
1700461775 }
1700461776
1700461777 @Override
1700461778
1700461779 public Thing clone(){
1700461780
1700461781 Thing thing=null;
1700461782
1700461783 try{
1700461784
1700461785 thing=(Thing)super.clone();
1700461786
1700461787 }catch(CloneNotSupportedException e){
1700461788
1700461789 e.printStackTrace();
1700461790
1700461791 }
1700461792
1700461793 return thing;
1700461794
1700461795 }
1700461796
1700461797 }
1700461798
1700461799 然后我们再来写一个Client类,进行对象的拷贝,如代码清单13-9所示。
1700461800
1700461801 代码清单13-9 简单的场景类
1700461802
1700461803 public class Client{
1700461804
1700461805 public static void main(String[]args){
1700461806
1700461807 //产生一个对象
1700461808
1700461809 Thing thing=new Thing();
1700461810
1700461811 //拷贝一个对象
1700461812
1700461813 Thing cloneThing=thing.clone();
1700461814
1700461815 }
1700461816
1700461817 }
1700461818
1700461819 运行结果如下所示:
1700461820
1700461821 构造函数被执行了……
1700461822
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