解析JAVA深度克隆與淺度克隆的差別詳解。本站提示廣大學習愛好者：（解析JAVA深度克隆與淺度克隆的差別詳解）文章只能為提供參考，不一定能成為您想要的結果。以下是解析JAVA深度克隆與淺度克隆的差別詳解正文
在JAVA克隆對象不克不及簡略的應用clone辦法，clone辦法只是停止淺克隆。請看下方：
深度克隆類：
Java代碼
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);//源對象
ByteArrayInputStream bi = new ByteArrayInputStream(bo.toByteArray());
ObjectInputStream oi= new ObjectInputStream(bi);
newObj = oi.readObject();//目的對象
} catch (IOException e) {
e.printStackTrace();
}catch (ClassNotFoundException e) {
e.printStackTrace();
}
return newObj;
}
}
淺度克隆類：
Java代碼
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 {
/* 淺克隆 */
newSimpleClone = (SimpleClone)super.clone();
} catch (CloneNotSupportedException e) {
e.printStackTrace();
}
return newSimpleClone;
}
}
克隆對象：
Java代碼
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;
}
}
克隆測試：
Java代碼
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);
/* 假如是淺克隆， simpleClone1中的cloneObject會跟著simpleClone2的cloneObject轉變面轉變*/
simpleClone2.cloneObject.setName("cloneThree");
System.out.println(simpleClone1.cloneObject.getName());
System.out.println(simpleClone2.cloneObject.getName());
}
}
