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I have a code below that is suppose to draw lines across each otherin a window f

ID: 3608165 • Letter: I

Question

I have a code below that is suppose to draw lines across each otherin a window frame using a Borderline layout.
My code is saying my variables lineNorth lineSouth etc are nonstatic and cannot be referenced from a static context. What can ido about that???


import java.awt.*;
import javax.swing.*;
import java.awt.Color;

public class X2 extends JComponent {
private Color lc = Color.blue ;
private X2 lineNorth ;
private X2 lineEast ;
private X2 linelSouth ;
private X2 linelWest ;

public X2() {
    setPreferredSize(new java.awt.Dimension(25,25));
    lc = Color.blue ;
    lineNorth = new X2() ;
    lineEast    = new X2() ;
    linelSouth = new X2() ;
    linelWest = new X2() ;
}
public void paintComponent(Graphics g) {
    super.paintComponent(g);
    g.setColor(lc);
    g.drawLine(0, 0, getWidth()-1,getHeight()-1);
    g.drawLine(0, getHeight()-1, getWidth()-1,0);
  
}


public static void main(String[] agrs )
{
   JFrame win = new JFrame("Test Component");

   win.add(lineNorth, BorderLayout.NORTH);
   win.add(lineSouth, BorderLayout.SOUTH);
   win.add(lineEast, BorderLayout.EAST);
   win.add(linelWest, BorderLayout.WEST);
   win.setSize(400, 300);
   win.setVisible(true);
}

  
    public Color getLineColor() {
      return lc;
}
    public void setLineColor(Color rgb ) {
        lc = rgb;
        repaint();
    }

}

Explanation / Answer

please rate - thanks public static void main(String[] agrs)
{
   JFrame win = new JFrame("Test Component");

   win.add(lineNorth, BorderLayout.NORTH);
   win.add(lineSouth,BorderLayout.SOUTH);
   win.add(lineEast, BorderLayout.EAST);
   win.add(linelWest, BorderLayout.WEST);
   win.setSize(400, 300);
   win.setVisible(true);
}
getting rid of the static (in red above) will get rid of thecompilation error. note: lineSouth should be line1South. I just compiled it didn't run it!