Something

import javax.swing.JFrame;

public class LineDraw {
	public static void main(String []argv) {
		System.out.println("Line Painter\n");
		LinePainter lp = new LinePainter();
		LineMouseListener lm = new LineMouseListener(lp);
		lp.addMouseListener(lm);
		JFrame f = new JFrame();
		f.add(lp);
		f.setSize(400,400);
		f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		f.setVisible(true);
	}
}