package framelinetest;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import javax.swing.JPanel;
public class MyPanelLine extends JPanel {
private static final int WIDTH=400;
private static final int HEIGHT=300;
private static final long serialVersionUID = 1L;
public MyPanelLine() {
setPreferredSize(new Dimension(WIDTH, HEIGHT));
setBackground(new Color(0xff, 0xff, 0xcc));
}
@Override
protected void paintComponent(Graphics g) {
super.paintComponent(g);
g.setColor(Color.red);
g.drawLine(0, 0, WIDTH, HEIGHT);
g.setColor(Color.blue);
g.drawLine(WIDTH, 0, 0, HEIGHT);
}
}