Java Swing Tutorial - Java Graphics.drawPolyline(int[] xPoints, int[] yPoints, int nPoints)








Syntax

Graphics.drawPolyline(int[] xPoints, int[] yPoints, int nPoints) has the following syntax.

public abstract void drawPolyline(int[] xPoints,  int[] yPoints,  int nPoints)

Example

In the following code shows how to use Graphics.drawPolyline(int[] xPoints, int[] yPoints, int nPoints) method.

/* ww w.j  av  a  2  s . c o  m*/
import java.awt.Graphics;

import javax.swing.JFrame;
import javax.swing.JPanel;

public class Main extends JPanel {

  public void paint(Graphics g) {
    int[] xs = {25, 75, 125, 85, 125, 75, 25, 65};
    int[] ys = {50, 90, 50, 100, 150, 110, 150, 100};
    g.drawPolyline(xs, ys, 8);
  }

  public static void main(String[] args) {
    JFrame frame = new JFrame();
    frame.add(new Main());
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setBounds(20,20, 500,500);
    frame.setVisible(true);
  }
}