简单的clone

class Programmer implements Cloneable{    private String name; //员工姓名    private int age; //员工年龄 private double salary; //员工工资    /*构造方法*/ Programmer(String name,int age,double salary) { this.name=name;   this.age=age;   this.salary=salary;       }   public Object clone() throws CloneNotSupportedException{ //定义克隆方法Programmer p=(Programmer)super.clone(); //确定要复制的对象return p;   }  public static void main(String[] args) {   try {Programmer p1=new Programmer("Kevin ",25,2000);Programmer p2=(Programmer)p1.clone();                  //克隆的使用p2 .name=" Andy "; //修改p2的员工姓名p2.age=28;         //修改p2的员工年龄p2.salary=3000;     //修改p2的员工工资System.out.println("name="+p1.name+",  age="+p1.age+",  salary="+p1.salary); System.out.println("name="+p2.name+",  age="+p2.age+",  salary="+p2.salary);   } catch(CloneNotSupportedException e) {   System.out.println("CloneNotSupportedException异常"+e. getMessage());e.printStackTrace();   } }}