getcloneobject.java

Java课堂练习

/**
 * @(#)GetCloneObject.java
 *
 *
 * @author 
 * @version 1.00 2007/11/17
 */
import java.io.*;

public class GetCloneObject {
        
    /**
     * Creates a new instance of <code>GetCloneObject</code>.
     */
    public GetCloneObject() {
    }
    
    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        // TODO code application logic here
     Grade g=new Grade(60,85,90);
     Student  ss=new Student("陈铃",27,'F',g);
      
     try {
      FileOutputStream  outOne=new FileOutputStream("4.txt");
      ObjectOutputStream  outTwo=new ObjectOutputStream(outOne);
      outTwo.writeObject(ss);
      FileInputStream inOne=new FileInputStream("4.txt");
      ObjectInputStream  inTwo=new ObjectInputStream(inOne);
      Student ss2=(Student)(inTwo.readObject());
      ss2.grade.english_grd=67;
      ss.output();
      ss2.output();
     }
     catch (Exception e) {
      System.out.println(e);
     }
    }
}