深层复制与浅层复制（通过序列化的方式实现）_JAVA_编程开发_程序员俱乐部

package com.softstome.clone.arrayCopy.internet;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.ArrayList;
import java.util.List;

import com.softstome.clone.Phone;
import com.softstome.clone.Student;

public class ListCopyDemo {

/*
* 使用序列化方法方法  ，实现集合的深层复制（推荐）
*
* 这也可以用来对象的克隆
* */
public static <T> List<T> deepCopy(List<T> src) throws IOException, ClassNotFoundException { 
    ByteArrayOutputStream byteOut = new ByteArrayOutputStream(); 
    ObjectOutputStream out = new ObjectOutputStream(byteOut); 
    out.writeObject(src); 
 
    ByteArrayInputStream byteIn = new ByteArrayInputStream(byteOut.toByteArray()); 
    ObjectInputStream in = new ObjectInputStream(byteIn); 
    @SuppressWarnings("unchecked") 
    List<T> dest = (List<T>) in.readObject(); 
    return dest; 
} 

public static Object deepCopyObj(Object src) throws IOException, ClassNotFoundException { 
    ByteArrayOutputStream byteOut = new ByteArrayOutputStream(); 
    ObjectOutputStream out = new ObjectOutputStream(byteOut); 
    out.writeObject(src); 
 
    ByteArrayInputStream byteIn = new ByteArrayInputStream(byteOut.toByteArray()); 
    ObjectInputStream in = new ObjectInputStream(byteIn); 
    @SuppressWarnings("unchecked") 
   Object dest =  in.readObject(); 
    return dest; 
} 


public static void main(String[] args) throws ClassNotFoundException, IOException {



// 集合的深层复制
 
/*  List<Person> srcList=new ArrayList<Person>();
srcList.add(new Person(10,"张三"));
srcList.add(new Person(11,"李四"));
List<Person> descList=null;
descList=ListCopyDemo.deepCopy(srcList);
srcList.get(0).setName("张三1");
System.out.println(srcList);
System.out.println(descList);*/


/*
* 对象的深层复制
* */
/* Person src=new Person(12,"小杏");
Person desc=ListCopyDemo.deepCopyObj(src);
src.setAge(14);
System.out.println(src);
System.out.println(desc);*/



/*
* 对于有成员对象的对象的复制
* */
Student stu= new Student(2010032123, "周沈洁", new Phone("白色", "中兴"));

Student stu1=(Student)ListCopyDemo.deepCopyObj(stu);

stu.setStname("董洁");
stu.getPhone().setColor("黑色");
System.out.println(stu+"    "+stu.getPhone());
System.out.println(stu1+"    "+stu1.getPhone());


}
}


//说明 ：Student类与Phone类在  ：深层复制与浅层复制（通过clone的方式）中有，这里就不重复了