source: src/main/java/negotiator/onetomany/etc/Line.java@ 217

package negotiator.onetomany.etc;

import javax.swing.*;
import java.awt.*;
import java.awt.geom.*;


public class Line extends JFrame{

        
            public void paint(Graphics g) {
                super.paint(g);  // fixes the immediate problem.
                Graphics2D g2 = (Graphics2D) g;
                g2.setColor(Color.LIGHT_GRAY);
                Line2D lin = new Line2D.Float(100, 100, 400, 100);
                g2.draw(lin);
            }

        }