Draw a line : Line « 2D Graphics « Java Tutorial

1. Java Tutorial
2. 2D Graphics
3. Line

import java.awt.Graphics;

import javax.swing.JComponent;
import javax.swing.JFrame;

class MyCanvas extends JComponent {
  public void paint(Graphics g) {
    g.drawLine(20, 20, 200, 200);

  }
}

public class DrawLine {
  public static void main(String[] a) {
    JFrame window = new JFrame();
    window.setBounds(30, 30, 300, 300);
    window.getContentPane().add(new MyCanvas());
    window.setVisible(true);
  }
}

16.12.Line
	16.12.1.	Draw a line
	16.12.2.	draw Line from (10, 15) to (100, 115)
	16.12.3.	Line2D.Float
	16.12.4.	Draw a point: use a drawLine() method
	16.12.5.	A line is drawn using two points
	16.12.6.	Dash style line
	16.12.7.	Line dashes style 2
	16.12.8.	Lines Dashes style 3
	16.12.9.	Line Dash Style 4
	16.12.10.	Draw Dashed
	16.12.11.	Compares two lines are returns true if they are equal or both null.
	16.12.12.	Creates a region surrounding a line segment by 'widening' the line segment.