import javax.imageio.ImageIO;
import java.util.Arrays;
/**
*列出Java支持的图片格式
*需要JRE1.5或以后
*/
public class SupportedImage{
    public static void main(String[] args){
        System.out.println(\"支持写的图片格式:\" +Arrays.toString(ImageIO.getWriterFormatNames()));
        System.out.println(\"支持读的图片格式:\" +Arrays.toString(ImageIO.getReaderFormatNames()));
    }
}

import javax.imageio.ImageIO;
import java.awt.*;
import java.io.*;
import java.util.Arrays;
import javax.swing.*;
/**
*加载现示BMP图象,需要JDK1.5或以上
*@author Eatsun
*/
public class ShowBmp extends JFrame{
    public ShowBmp(String bmpFile){
        super(\"ShowBmp\");
        Image image =null;
        try{
            image=ImageIO.read(new File(bmpFile));
        }catch(IOException ex){
        }
        JLabel label =new JLabel(new ImageIcon(image));
        add(label);
        setDefaultCloseOperation(EXIT_ON_CLOSE);
        pack();
    }
    public static void main(String[] args){
        final String fileName =\"test.bmp\"; //把这个该成你自己的bmp图片名
        
        SwingUtilities.invokeLater(new Runnable(){
            public void run(){
                new ShowBmp(fileName).setVisible(true);
            }
        });
    }
}

果然,看来Eastun兄弟研究得很透啊,自愧不如也

呵呵,你要不要也来玩玩JAVA啊