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import java.awt.Color;
import java.awt.Dimension;
import java.awt.GradientPaint;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Rectangle;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class GradientPaintDemo extends JPanel {
public void init() {
setBackground(Color.white);
}
public void paint(Graphics g) {
Graphics2D g2 = (Graphics2D) g;
g2.setPaint(new GradientPaint(0, 0, Color.lightGray, 200,
200, Color.blue, false));
Rectangle r = new Rectangle(5,5,200,200);
g2.fill(r);
}
public static void main(String s[]) {
JFrame f = new JFrame();
f.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
GradientPaintDemo p = new GradientPaintDemo();
f.getContentPane().add("Center", p);
p.init();
f.pack();
f.setSize(new Dimension(250, 250));
f.show();
}
}
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