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();	   
			}
		 }
}