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CopyT.java
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139 lines (121 loc) · 3.42 KB
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/**
* <html>
* <body>
* <P> Copyright 1994 JsonInternational</p>
* <p> All rights reserved.</p>
* <p> Created by Jason https://github.com/Jasonandy/patterns</p>
* </body>
* </html>
*/
package cn.ucaner.core.base.copy;
/*
* Copyright [2015] [Jeff Lee]
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @Package：cn.ucaner.core.base.copy
* @ClassName：Family
* @Description： <p> 深拷贝与浅拷贝
* {@link https://blog.csdn.net/XIAXIA__/article/details/41652057}
* {@link https://blog.csdn.net/u014727260/article/details/55003402}
* {@link https://blog.csdn.net/baiye_xing/article/details/71788741}
* </p>
* @Author： - Jeff Lee
* @CreatTime：2018年4月5日 下午1:40:35
* @Modify By：
* @ModifyTime： 2018年4月5日
* @Modify marker：
* @version V1.0
*/
class Family implements Cloneable{
private String name;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
/**
* 深拷贝
* @return
*/
/*@Override
public Object clone() {
Object o = null;
try {
o = super.clone();
} catch (CloneNotSupportedException e) {
e.printStackTrace();
}
return o;
}*/
}
class Student implements Cloneable{
private String name;
private Family family;//Family Cloneable
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public Family getFamily() {
return family;
}
public void setFamily(Family family) {
this.family = family;
}
/**
* 浅拷贝 对其对象的引用却没有拷贝
* @return
* @throws CloneNotSupportedException
*/
@Override
protected Object clone() throws CloneNotSupportedException {
return super.clone();
}
/**
* 深拷贝
*/
/*@Override
protected Object clone() {
Student o = null;
try {
o = (Student)super.clone();
} catch (CloneNotSupportedException e) {
e.printStackTrace();
}
o.family = (Family) family.clone();
return o;
}*/
}
public class CopyT {
public static void main(String[] args) throws CloneNotSupportedException {
Family family = new Family();
family.setName("Jeff Family obj ");
Student student1 = new Student();
student1.setFamily(family);
student1.setName("Jeff String");
Student student2 = (Student) student1.clone();//
student2.setName("Jeff2");
student2.getFamily().setName("Jeff2 Family");
System.out.println(student1.getName() + " " + student1.getFamily().getName());
System.out.println(student2.getName() + " " + student2.getFamily().getName());
/* Jeff Jeff2 Family
Jeff2 Jeff2 Family*/
}
}
//Outputs
//Jeff String Jeff2 Family
//Jeff2 Jeff2 Family