原型模式（Prototype）

/**
 * Created by Administrator on 2015/10/21.
 * 功能：原型模式
 */
public class Prototype implements Cloneable{

    public String name;


    public Object clone()  {
        Prototype prototype = null;
        try {
            prototype = (Prototype)super.clone();
            
        } catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        return prototype;
    }
}

public class Test {

    public static void main(String[] args) {
//        test1();
        test2();

    }

    /**
     * 测试原型模式
     */
    private static void test2() {
        Test test = new Test();
        Prototype p1 = new Prototype();
        Prototype p2 = new Prototype();
        Prototype p3 = new Prototype();
        p1.name = "a1";
        p2 = p1;
        p2.name = "a2";
        p3=(Prototype)p1.clone();
        p3.name = "a3";
        System.out.println("a1.name=" + p1.name);
        System.out.println("a2.name=" + p2.name);
        System.out.println("a3.name=" + p3.name);

    }
}