Javase 지식 포인트 16java 서열화

무엇이 서열화와 반서열화입니까?

어떤 상황에서 서열화가 필요합니까?

어떻게 서열화를 실현합니까?

package com.serialize;  
  
import java.io.FileInputStream;  
import java.io.FileNotFoundException;  
import java.io.FileOutputStream;  
import java.io.IOException;  
import java.io.ObjectInputStream;  
import java.io.ObjectOutputStream;  
import java.io.Serializable;  
  
public class Serialize implements Serializable{  
  
    private static final long serialVersionUID = -5211389707739541364L;  
    public int num = 1390;  
  
    public void serialized()  
    {  
        try {  
            FileOutputStream fos = new FileOutputStream("serialize.obj");  
            ObjectOutputStream oos = new ObjectOutputStream(fos);  
            Serialize serialize = new Serialize();  
            oos.writeObject(serialize);  
            oos.flush();  
            oos.close();// ， finally ， 。  
            fos.close();  
            System.out.println(" ");  
        } catch (FileNotFoundException e) {  
            e.printStackTrace();  
        } catch (IOException e) {  
            e.printStackTrace();  
        }  
    }  
  
    public void deserialized()  
    {  
        Serialize serialize = null;  
        try  
        {  
            FileInputStream fis = new FileInputStream("serialize.obj");  
            ObjectInputStream ois = new ObjectInputStream(fis);  
  
            serialize = (Serialize) ois.readObject();  
            ois.close();  
            fis.close();  
            System.out.println(" ");  
        }  
        catch (ClassNotFoundException | IOException e)  
        {  
            e.printStackTrace();  
        }  
        System.out.println(serialize.num);  
    }  
  
    public static void main(String[] args)   
    {  
        Serialize serialize = new Serialize();  
        serialize.serialized();  
        serialize.deserialized();  
    }  
}  

   
   
1390  

서열화 총결산