Build : 'N'
OS : Solaris only (win32..ok)

import java.awt.*;
import java.awt.image.BufferedImage;

public class Rules {
    public static void main(String s[]) {
        BufferedImage bi = new BufferedImage(5,5,BufferedImage.TYPE_USHORT_GRAY);
        Graphics2D big = bi.createGraphics();
        big.setComposite(AlphaComposite.getInstance(AlphaComposite.DST_OUT,.5f));
        big.fillRect(0, 0, 5, 5);
        new BufferedImage(5,5,bi.TYPE_INT_RGB).createGraphics().drawImage(bi,0,0,null);
    }
}