serialctl.java

输入输出程序演示例子

/*
* File name:SerialCtl.java
* Author:wangch
* Created Data:2004/10/10
* Function Description:Demo the  writeObject 's override
*/
package com.io.serial;
import java.io.*;
import java.util.*;

public class  SerialCtl implements Serializable{
  
  private String a;
  private trans4  ient String b;
  public SerialCtl(String aa,String bb){
    a = "Not Transient:" + aa;
    b = "Transient " + bb;
  }
  public String toString() {
    return a + "\n" + b;
  }
  //覆盖writeObject(ObjectOutputStream out)
  
  private void  writeObject(ObjectOutputStream stream)
    throws IOException {
    stream.defaultWriteObject();
    //stream.writeObject(b);
  }

  private void readObject(ObjectInputStream stream)
    throws IOException ,ClassNotFoundException {
    stream .defaultReadObject();
    //b = (String)stream.readObject();
  }



	public static void main(String[] args) 
	throws IOException,ClassNotFoundException{
    SerialCtl sc =
      new SerialCtl("Test1","Test2");
    System.out.println("Before:\n" +sc);
    ByteArrayOutputStream buf =
      new ByteArrayOutputStream();
    ObjectOutputStream o =
      new ObjectOutputStream(buf);
    o.writeObject(sc);
    //Now get it back;
    ObjectInputStream in =
      new ObjectInputStream(
        new ByteArrayInputStream(buf.toByteArray()));
    SerialCtl sc2 = (SerialCtl) in .readObject();
    System.out.println("After:\n" + sc2);


		 
	}
}