16.java Clone举例

class Person implements Cloneable{

  String name;

  int age;

 public Person(String name,int age){

  this.name=name;

  this.age=age;

 }

 public Object clone() throws CloneNotSupportedException{

  System.out.println("=== clone()====");

  return super.clone();

 }

 public String toString(){

  return this.name+":"+this.age;

 }

}

class Demo93{

 public static void main(String[] args) throws Exception{

  Person p1=new Person("小丽",20);

  Person p2=(Person)p1.clone();

  p1.name="小梅";

  System.out.println("p1="+p1);

  System.out.println("p2="+p2);

 }

}