import javax.swing.*;    // Needed for JFrame
import java.awt.*;		 // Needed for Graphics

public class line extends JFrame
{
    public static void main(String[] args) {
		new line();
    }
	
    public line()		// Constructor
    {
		this.setSize(800,800);
        this.setVisible(true);
    }

    public void paint(Graphics gfx) {
		gfx.drawLine(20,50,300,500);
    }
}