在JAVA克隆对象不能简单的使用clone方法，clone方法只是进行浅克隆。请看下方：

深度克隆类：

Java代码

复制代码 代码如下:

import java.io.ByteArrayInputStream;

import java.io.ByteArrayOutputStream;

import java.io.IOException;

import java.io.ObjectInputStream;

import java.io.ObjectOutputStream;

public class DepthClone {

public final static Object objectCopy(Object oldObj) {

Object newObj = null;

try {

ByteArrayOutputStream bo = new ByteArrayOutputStream();

ObjectOutputStream oo = new ObjectOutputStream(bo);

oo.writeObject(oldObj);//源对象

ByteArrayInputStream bi = new ByteArrayInputStream(bo.toByteArray());

ObjectInputStream oi= new ObjectInputStream(bi);

newObj = oi.readObject();//目标对象

} catch (IOException e) {

e.printStackTrace();

}catch (ClassNotFoundException e) {

e.printStackTrace();

}

return newObj;

}

}

浅度克隆类：

Java代码

复制代码 代码如下:

import java.io.Serializable;

public class SimpleClone implements Cloneable ,Serializable {

private static final long serialVersionUID = -7552721152118950502L;

public String s = null;

public Object o = null;

public CloneObject cloneObject = null;

public SimpleClone(CloneObject cloneObject) {

this.cloneObject = cloneObject;

}

public Object clone() {

SimpleClone newSimpleClone = null;

try {

/* 浅克隆 */

newSimpleClone = (SimpleClone)super.clone();

} catch (CloneNotSupportedException e) {

e.printStackTrace();

}

return newSimpleClone;

}

}

克隆对象：

Java代码

复制代码 代码如下:

import java.io.Serializable;

public class CloneObject implements Serializable{

private static final long serialVersionUID = 4332788486669750696L;

private String name ;

public String getName() {

return name;

}

public void setName(String name) {

this.name = name;

}

}

克隆测试：

Java代码

复制代码 代码如下:

public class TestClone {

public static void main(String[] arg) {

CloneObject obj1 = new CloneObject();

obj1.setName("cloneOne");

CloneObject obj2 = new CloneObject();

obj2.setName("cloneTwo");

SimpleClone simpleClone1 = new SimpleClone(obj1);

SimpleClone simpleClone2 = new SimpleClone(obj2);

simpleClone1.s = "simpleClone1";

simpleClone1.o = "simpleClone1Object";

//simpleClone2 = (SimpleClone)simpleClone1.clone();

simpleClone2 = (SimpleClone)DepthClone.objectCopy(simpleClone1);

/* 如果是浅克隆， simpleClone1中的cloneObject会随着simpleClone2的cloneObject改变面改变*/

simpleClone2.cloneObject.setName("cloneThree");

System.out.println(simpleClone1.cloneObject.getName());

System.out.println(simpleClone2.cloneObject.getName());

}

}

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