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Draw triangle in JPanel

Complete source code below will show you, how to draw triangle in JPanel

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COMPLETE SOURCE CODE FOR : DrawTriangle.java
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import javax.swing.*;

import java.awt.*;

public class DrawTriangle extends JPanel
{
public DrawTriangle()
{
JFrame frame=new JFrame("Draw triangle in JPanel");
frame.add(this);

frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setSize(400,400);
frame.setLocationRelativeTo(null);
frame.setVisible(true);
}

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

//All triangle corner x coordinate
int[]x={0,150,300};

//All triangle corner y coordinate
int[]y={200,0,200};

//Set color base on RGB
//You can get RGB value for your color at "Color picker" at above
//R=255
//G=192
//B=0
//So after this all you draw will use this color
g.setColor(new Color(255,192,0));

//Draw triangle in JPanel
g.fillPolygon(x,y,3);

//Set color base on RGB
//You can get RGB value for your color at "Color picker" at above
//R=1
//G=1
//B=1
//So after this all you draw will use this color
g.setColor(new Color(1,1,1));

//Set font that will use when draw String
g.setFont(new Font("Arial",Font.BOLD,14));

//Draw String in JPanel
g.drawString("(0,200)",10,200);
g.drawString("(150,0)",150,20);
g.drawString("(300,200)",290,200);
}

public static void main(String[]args)
{
DrawTriangle dt=new DrawTriangle();
}

}


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JUST COMPILE AND EXECUTE IT
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