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# Java Examples - display line using GUI.

## Problem Description:

How to draw a line using GUI?

## Solution:

Following example demonstrates how to draw a line using draw() method of Graphics2D class with Line2D object as an argument.

    import java.awt.*;
    import java.awt.event.*;
    import java.awt.geom.Line2D;
    import javax.swing.JApplet;
    import javax.swing.JFrame;

    public class Main extends JApplet {
       public void init() {
          setBackground(Color.white);
          setForeground(Color.white);
       }
       public void paint(Graphics g) {
          Graphics2D g2 = (Graphics2D) g;
          g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
          RenderingHints.VALUE_ANTIALIAS_ON);
          g2.setPaint(Color.gray);
          int x = 5;
          int y = 7;
          g2.draw(new Line2D.Double(x, y, 200, 200));
          g2.drawString("Line", x, 250);
       }
       public static void main(String s[]) {
          JFrame f = new JFrame("Line");
          f.addWindowListener(new WindowAdapter() {
             public void windowClosing(WindowEvent e) {
                System.exit(0);
             }
          });
          JApplet applet = new Main();
          f.getContentPane().add("Center", applet);
          applet.init();
          f.pack();
          f.setSize(new Dimension(300, 300));
          f.setVisible(true);
       }
    }

## Result:

The above code sample will produce the following result.

    Line is displayed in a frame.

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