ReflectionX13.java

package hw;
import java.awt.*;
import javax.swing.JPanel;
import javax.swing.JFrame;
public class ReflectionX13 extends JPanel {
	  int x1=100,y1=100,x2=290,y2=280,px1,px2,py1,py2;
		public ReflectionX13() {
			px1=y1;
			px2=y2;
			py1=x1;
			py2=x2;
		}
		public void paint(Graphics g) {
			g.drawLine(x1,y1,x2,y2);
			g.drawLine(px1, py1, px2, py2);
		}
		public static void main(String[] args) {
			JFrame frame = new JFrame();
			frame.setTitle("Reflection on X-axis: ");
			frame.setVisible(true);
			frame.setSize(500,500);
			frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
			frame.setContentPane(new ReflectionX13());
		}

	}