14.4

 1 import java.awt.*;
 2 import java.util.Scanner;
 3 
 4 import javax.swing.*;
 5 
 6 public class Test{
 7   public static void main(String[] args) throws CloneNotSupportedException{
 8       House h1 = new House(2,3.5);
 9       House h2 = (House)h1.clone();
10       
11       System.out.println("h1 and h2 are equal?");
12 //      System.out.println(h1.getArea());
13 //      System.out.println(h2.getArea());
14 //      System.out.println(h1.getId());
15 //      System.out.println(h2.getId());
16 //      System.out.println(h1.getWhenBuilt());
17 //      System.out.println(h2.getWhenBuilt());
18 //      
19       System.out.println(h1.equals(h2));
20   }  
21 }
Test.java
 1 public class House implements Cloneable{
 2     private int id;
 3     private double area;
 4     private java.util.Date whenBuilt;
 5     
 6     public int getId() {
 7         return id;
 8     }
 9 
10     public double getArea() {
11         return area;
12     }
13 
14     public java.util.Date getWhenBuilt() {
15         return whenBuilt;
16     }
17 
18     public House(int id, double area) {
19         // TODO Auto-generated constructor stub
20         this.id = id;
21         this.area = area;
22         whenBuilt = new java.util.Date();
23     }    
24     public Object clone() throws CloneNotSupportedException {
25         //override
26         Object ob1 = super.clone();
27         ((House)ob1).whenBuilt = this.getWhenBuilt();
28         return ob1;         
29     }    
30 }
House.java

 

posted on 2016-06-16 14:38  功夫茶茶  阅读(99)  评论(0编辑  收藏  举报

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