public interface Prototype{
    Prototype clone();
}

public class ConcretePrototypeA implements Prototype {
    private int age;
    private String name;
    private List hobbies;
    public int getAge() {
        return age;
    }
    public void setAge(int age) {
        this.age = age;
    }
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    public List getHobbies() {
        return hobbies;
    }
    public void setHobbies(List hobbies) {
        this.hobbies = hobbies;
    }
    @Override
    public ConcretePrototypeA clone() {
        ConcretePrototypeA concretePrototype = new ConcretePrototypeA();
        concretePrototype.setAge(this.age);
        concretePrototype.setName(this.name);
        concretePrototype.setHobbies(this.hobbies);
        return concretePrototype;
    }
}

public class ConcretePrototypeB implements Prototype {
    @Override
    public Prototype clone() {
        return null;
    }
}

public class Client {
    private Prototype prototype;
    public Client(Prototype prototype){
        this.prototype = prototype;
    }
    public Prototype startClone(Prototype concretePrototype){
        return (Prototype)concretePrototype.clone();
    }
}

public class PrototypeTest {
    public static void main(String[] args) {
        // 创建一个具体的需要克隆的对象
        ConcretePrototypeA concretePrototype = new ConcretePrototypeA();
        // 填充属性，方便测试
        concretePrototype.setAge(18);
        concretePrototype.setName("prototype");
        List hobbies = new ArrayList<String>();
        concretePrototype.setHobbies(hobbies);
        System.out.println(concretePrototype);
        // 创建Client对象，准备开始克隆
        Client client = new Client(concretePrototype);
        ConcretePrototypeA concretePrototypeClone = (ConcretePrototypeA) client.startClone(concretePrototype);
        System.out.println(concretePrototypeClone);
        System.out.println("克隆对象中的引用类型地址值：" + concretePrototypeClone.getHobbies());
        System.out.println("原对象中的引用类型地址值：" + concretePrototype.getHobbies());
        System.out.println("对象地址比较："+(concretePrototypeClone.getHobbies() == concretePrototype.getHobbies()));
    }
}

public class Monkey {
    public int height;
    public int weight;
    public Date birthday;
}

public class JinGuBang implements Serializable {
    public float h = 100;
    public float d = 10;
    public void big(){
        this.d *= 2;
        this.h *= 2;
    }
    public void small(){
        this.d /= 2;
        this.h /= 2;
    }
}

public class QiTianDaSheng extends Monkey implements Cloneable,Serializable {
    public JinGuBang jinGuBang;
    public  QiTianDaSheng(){
        //只是初始化
        this.birthday = new Date();
        this.jinGuBang = new JinGuBang();
    }
    @Override
    protected Object clone() throws CloneNotSupportedException {
        return this.deepClone();
    }
    //深克隆
    public Object deepClone(){
        try{
            ByteArrayOutputStream bos = new ByteArrayOutputStream();
            ObjectOutputStream oos = new ObjectOutputStream(bos);
            oos.writeObject(this);
            ByteArrayInputStream bis = new ByteArrayInputStream(bos.toByteArray());
            ObjectInputStream ois = new ObjectInputStream(bis);
            QiTianDaSheng copy = (QiTianDaSheng)ois.readObject();
            copy.birthday = new Date();
            return copy;
        }catch (Exception e){
            e.printStackTrace();
            return null;
        }
    }
    public QiTianDaSheng shallowClone(QiTianDaSheng target){
        QiTianDaSheng qiTianDaSheng = new QiTianDaSheng();
        qiTianDaSheng.height = target.height;
        qiTianDaSheng.weight = target.height;
        qiTianDaSheng.jinGuBang = target.jinGuBang;
        qiTianDaSheng.birthday = new Date();
        return  qiTianDaSheng;
    }
    //浅克隆
    public QiTianDaSheng deep2(QiTianDaSheng target){
        QiTianDaSheng qiTianDaSheng = new QiTianDaSheng();
        qiTianDaSheng.height = target.height;
        qiTianDaSheng.weight = target.height;
        qiTianDaSheng.jinGuBang =  target.jinGuBang;
        qiTianDaSheng.birthday = new Date();
        return  qiTianDaSheng;
    }
}

public class DeepCloneTest {
    public static void main(String[] args) {
        QiTianDaSheng qiTianDaSheng = new QiTianDaSheng();
        try {
            QiTianDaSheng clone = (QiTianDaSheng)qiTianDaSheng.clone();
            System.out.println("深克隆：" + (qiTianDaSheng.jinGuBang == clone.jinGuBang));
        } catch (Exception e) {
            e.printStackTrace();
        }
        QiTianDaSheng q = new QiTianDaSheng();
        QiTianDaSheng n = q.shallowClone(q);
        System.out.println("浅克隆：" + (q.jinGuBang == n.jinGuBang));
    }
}

@Override
protected Object clone() throws CloneNotSupportedException{
  return INSTANCE;
}

public Object clone(){
  try{
  ArrayList<?>v=(ArrayList<?>)
  super.clone();v.elementData=Arrays.copyOf(elementData,size);
      v.modCount=0;
      return v;
  }catch(CloneNotSupportedExceptione){
  。。。
  }