simpleimagetest.java

Java程序设计技巧与开发实例附书源代码。

import java.awt.Image;
import javax.swing.*;
import java.io.*;

public class SimpleImageTest
        extends JFrame {
    private Image image = null;
    private JLabel display = new JLabel();

    public SimpleImageTest() {
        super("Image Test");
        image = getToolkit().getImage("scenery.jpg");
        System.out.println("Size: " + image.getWidth(this) +
                           " by " + image.getHeight(this));
        display.setIcon(new ImageIcon(image));
        getContentPane().add("Center", display);
        validate();
        pack();
        setVisible(true);
        System.out.println("Size: " + image.getWidth(this) +
                           " by " + image.getHeight(this));
    }

    public static void main(String args[]) {
        SimpleImageTest sit = new SimpleImageTest();
    }
}