JAVA的深浅拷备

package com.jd.ng.shiro.testFactory;

import java.io.*;

/**
 * @author wangzhilei
 * @Author: husToy.Wang
 * @Date: 2019/10/30 15:20
 * @Version 1.0
 * @date 2019-10-30 15:21
 */
public class ProtoType implements Cloneable, Serializable {

    private static final long serialVersionUID = 1L;

    private String string;

    private SerializableObject obj;

    /*浅copy*/
    @Override
    protected Object clone() throws CloneNotSupportedException {
        return (ProtoType) super.clone();
    }

    /* 深复制 */
    public Object deepClone() throws IOException, ClassNotFoundException {

        /* 写入当前对象的二进制流 */
        ByteArrayOutputStream bos = new ByteArrayOutputStream();  // 缓冲区
        ObjectOutputStream oos = new ObjectOutputStream(bos);
        oos.writeObject(this);

        /* 读出二进制流产生的新对象 */
        ByteArrayInputStream bis = new ByteArrayInputStream(bos.toByteArray());
        ObjectInputStream ois = new ObjectInputStream(bis);
        return ois.readObject();

    }

    public static long getSerialVersionUID() {
        return serialVersionUID;
    }

    public String getString() {
        return string;
    }

    public SerializableObject getObj() {
        return obj;
    }
}

class SerializableObject implements Serializable {
    private static final long serialVersionUID = 1L;
}
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JAVA的深浅拷备

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