driverreload.java

Java程序设计(美) David D. Riley著 机械工业出版社 书籍配套 代码

import java.io.*;
import javax.swing.JFrame;

/** Program to write to a new binary file, called example.obj (Figure 13.26)
 *  This file stores a single AWindow object.
 *  Author: David Riley
 *  Date: January, 2005
 */
public class DriverReload  {

	public DriverReload()   {
		JFrame window;
		Oval dot;
		try{
			FileInputStream inStream;
			ObjectInputStream objStream;
			inStream = new FileInputStream( "example.obj" );
			objStream = new ObjectInputStream( inStream );
			window = (JFrame) objStream.readObject();
			dot = (Oval) objStream.readObject();
			objStream.close();
            window.setVisible(true);
		}
		catch (Exception e)  {
			System.out.println("ERROR reloading object." );
		}
   }	
}