frank oo java

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.ArrayList;
import java.util.Date;


/*
 * Created on 2005-3-24
 *
 * TODO To change the template for this generated file go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
/**
 * @author frank
 *
 * TODO To change the template for this generated type comment go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
public class Tester {

    public static void main(String[] args) throws IOException, ClassNotFoundException {
        HasListObject al=new HasListObject();
        
        
        FileOutputStream fos = new FileOutputStream("t.tmp");
        ObjectOutputStream oos = new ObjectOutputStream(fos);

        oos.writeInt(12345);
        oos.writeObject("Today");
        oos.writeObject(new Date());
        oos.writeObject(al);
        oos.writeObject(new SimpleObject("AAA",1));

        oos.close();

        FileInputStream fis = new FileInputStream("t.tmp");
        ObjectInputStream ois = new ObjectInputStream(fis);

        System.out.println(ois.readInt()) ;
        System.out.println((String) ois.readObject());
        System.out.println((Date) ois.readObject());
        System.out.println(((HasListObject) ois.readObject()).list);
        System.out.println(((SimpleObject) ois.readObject()).s1);
        
        ois.close();
    
    }
}
import java.io.Serializable;

/*
 * Created on 2005-3-24
 *
 * TODO To change the template for this generated file go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
/**
 * @author frank
 *
 * TODO To change the template for this generated type comment go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
public class SimpleObject implements Serializable {
         
      public String s1;
      public int i1;
     
      public SimpleObject(String s,int i){
          s1=s;
          i1=i;
      }
     
}

import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;

/*
 * Created on 2005-3-24
 *
 * TODO To change the template for this generated file go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
/**
 * @author frank
 *
 * TODO To change the template for this generated type comment go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
public class HasListObject implements Serializable {
    public List list;
   
   
    public HasListObject(){
        list=new ArrayList(10);
        list.add("today1");
        list.add("today2");
        list.add("today3");
    }
}

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