Assignment 2 - DrawPanel

// Assignment 2

// DrawPanel.java

// Using drawLine to connect the corners of a panel.

import java.awt.Graphics;

import javax.swing.JPanel;

import javax.swing.JFrame;


public class DrawPanel extends JPanel

{

// draws an X from the corners of the panel

public void paintComponent( Graphics g)

{

// call paintComponent to ensure the panel displays correctly

super.paintComponent(g);

int width = getWidth(); //total width

int height=getHeight(); // total height

// draw a line from the upper.left to the upper-right

g.drawLine(0, height, width, 0);

} // end method paintComponent

public static void main(String[]args)

{

// create a panel that contains our drawing

DrawPanel panel=new DrawPanel();

// create a new frame to hold the panel

JFrame application=new JFrame();

// set the frame to exit when it is closed

application.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

application.add(panel); // add the panel to the frame

application.setSize( 250, 250 ); // set the size of the frame

application.setVisible( true ); // make the frame visible

} // end main

} // end class DrawPanel