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Java basics

drawOval()


The method drawOval() is one of the methods of a Graphics object. drawOval( int X, int Y, int width, int height ) This draws a circle or an oval that fits within the rectangle specified by the X, Y, width and height arguments. The oval is drawn inside a rectangle whose upper left hand corner is at (X, Y), and whose width and height are as specified. The measurements are in terms of pixels. The (X, Y) position is relative to the upper left hand corner of the applet's drawing area. It gives the location of the upper left corner of a rectangle. The width and height arguments give the horizontal and vertical size of the rectangle. The drawOval() method draws the oval that fits inside the rectangle. (It does not actually draw the rectangle.)

Syntax:
drawOval(int x, int y, int width, int length)


Example:

import java.awt.Graphics;
import javax.swing.JComponent;
import javax.swing.JFrame;

class MyCanvas extends JComponent {

  public void paint(Graphics g) {
    g.drawOval (10, 10, 200, 200);  
  }
}

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


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