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Problem with Background


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#1 PsionicTransvection   Members   -  Reputation: 262

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Posted 22 March 2012 - 07:46 AM

I wrote a class that is suppose to draw a red rectangle in a JPanel with and the background of the panel is suppose to be black here is my code


import javax.swing.JFrame;
import javax.swing.JPanel;
import java.awt.Color;
import java.awt.Graphics;

public class View extends JFrame
{
private  JPanel panel = new JPanel();
public void paint(Graphics g)
{
  g.setColor(Color.RED);
  g.drawRect(20, 50, 100, 100);
}
public View()
{
  setSize(640, 480);
  setResizable(true);
  setVisible(true);
  setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  setLocationRelativeTo(null);
  setBackground(Color.BLACK);
  panel.setSize(640, 480);
  panel.setBackground(Color.BLACK);
  panel.paint(null);
  this.add(panel);
}

public static void main(String[] args)
{
  View view = new View();



}
}

and here is what I get as a result there appears to be some glitch in the background

WTF.PNG
(this is a screen of the gui from my code not a minimized Eclipse)

and here is how it is without the paint method it does as it suppose to making a window with a black background

without paint method.PNG


Is it something wrong with my code that it does like that or there is something wrong with my computer ?

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