package cloneTest; import java.io.IOException; import java.util.Date; /* * clone()方法必须实现Clonable接口，否则会出现CloneNotSupportedException异常 * * */ public class CloneTest { public static void main(String[] args) { Wife wife=new Wife("张三",new Date()); Husband husband=new Husband(wife, 30); /*浅克隆：只克隆了外层对象，对象中的对象并没有克隆*/ Husband husband2=(Husband) husband.clone(); husband2.setAge(40); husband2.getWife().setName("李四"); System.out.println("husband1 age:"+husband.getAge()+" husband2 age:"+husband2.getAge()); System.out.println("husband1和huaband2是否是同一对象："+(husband==husband2)); System.out.println("wife name:"+husband.getWife().getName()+" wife2 name:"+husband2.getWife().getName()); System.out.println("wife是否是同一个对象："+(husband.getWife()==husband2.getWife())); System.out.println(); try { /*深克隆：实现序列化接口，将对象写入流中。 * */ Husband husband3=(Husband) husband.deepClone(); husband3.setAge(50); husband3.getWife().setName("李四"); System.out.println("husband1 age:"+husband.getAge()+" husband3 age:"+husband3.getAge()); System.out.println("wife name:"+husband.getWife().getName()+" wife3 name:"+husband3.getWife().getName()); System.out.println("husband1和huaband3是否是同一对象："+(husband==husband3)); System.out.println("wife是否是同一个对象："+(husband.getWife()==husband3.getWife())); } catch (ClassNotFoundException | IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } }