imageviewer.java

现在在国外大学里最流行的java学习软件,同时还有大量的example,在名为project的文件里.安装好后用bluej打开peoject的例子,可以进行你想要的任何变化.同时可以了解大量的源码

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

/**
 * ImageViewer is the main class of the image viewer application. It builds
 * and displays the application GUI and initialises all other components.
 * 
 * To start the application, create an object of this class.
 * 
 * @author Michael Kolling and David J Barnes 
 * @version 0.1
 */
public class ImageViewer
{
    private JFrame frame;
    
    /**
     * Create an ImageViewer show it on screen.
     */
    public ImageViewer()
    {
        makeFrame();
    }
    
    // ---- swing stuff to build the frame and all its components ----
    
    /**
     * Create the Swing frame and its content.
     */
    private void makeFrame()
    {
        frame = new JFrame("ImageViewer");        
        Container contentPane = frame.getContentPane();
        
        JLabel label = new JLabel("I am a label. I can display some text.");
        contentPane.add(label);

        frame.pack();
        frame.setVisible(true);
    }
}