java序列化和serialVersionUID的使用方法实例

package com.sxit; 
 
import java.io.File; 
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 Serializable01 extends Object implements Serializable{ 
 
  private static final long serialVersionUID = -1466479389299512377L; 
   
  public byte b = 12; 
   
  public byte getB() { 
    return b; 
  } 
 
  public void setB(byte b) { 
    this.b = b; 
  } 
 
  public static void main(String[] args) { 
     
    try { 
      FileOutputStream fos = new FileOutputStream(new File("E:\\tmp\\demo2.txt")); 
      ObjectOutputStream os = new ObjectOutputStream(fos); 
      Serializable01 s = new Serializable01(); 
       
      os.writeObject(s); 
      os.flush(); 
      os.close(); 
       
      FileInputStream fis = new FileInputStream(new File("E:\\tmp\\demo2.txt")); 
      ObjectInputStream ois = new ObjectInputStream(fis); 
       
      Serializable01 s2 = (Serializable01)ois.readObject(); 
      System.out.println(s2.getB()); 
      ois.close(); 
       
    } catch (FileNotFoundException e) { 
      e.printStackTrace(); 
    } catch (IOException e) { 
      e.printStackTrace(); 
    } catch (ClassNotFoundException e) { 
      e.printStackTrace(); 
    } 
  } 
}