Menggambar Poligon di Java

Contoh program berikut ini akan menyajikan cara menggambar bentuk polygon (segi banyak) di Java. Untuk membuatnya kita menggunakan class Polygon dan method drawPolygon().

Berikut ini tampilan programnya:

Dan berikut ini contoh program lengkapnya:

01	import java.awt.*;
02

03	import javax.swing.*;
04

05	public class DrawPolygons extends JFrame {
06

07	public DrawPolygons() {
08	super ("Menggambar Polygon");

09	setSize (400,300);
10	show();

11	}
12

13	public void paint(Graphics g) {
14	super.paint (g);

15
16	int xValues[] = {20,40,50,30,20,15};

17	int yValues[] = {50,50,60,80,80,60};
18	Polygon poly1 = new Polygon (xValues, yValues, 6); //(arrX, arrY, jumTitik)

19
20	g.drawPolygon (poly1);

21	int xValues2[] = {70,90,100,80,70,65,60};
22	int yValues2[] = {100,100,110,110,130,110,90};

23	g.drawPolyline (xValues2, yValues2, 7);
24

25	int xValues3[] = {120,140,150,190};
26	int yValues3[] = {40,70,80,60};

27	g.fillPolygon (xValues3, yValues3, 4);
28

29	Polygon poly2 = new Polygon();
30	poly2.addPoint (220,100);

31	poly2.addPoint (175,150);
32	poly2.addPoint (270,150);

33	g.fillPolygon (poly2);
34	}

35
36	public static void main (String args[]) {

37
38	DrawPolygons test = new DrawPolygons();

39	test.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
40	}

41
42	}

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