draw circle in java
import java.awt.*;
import java.awt.event.*;
import java.awt.geom.*;
public class DrawCircle extends Frame
{
// input the value for circle and square.
Shape circle=new Ellipse2D.Float(100.0f,100.0f,100.0f,100.0f);
// class paint to fill color in circle.
public void paint(Graphics g)
{
Graphics2D ga=(Graphics2D)g;
ga.draw(circle);
ga.setPaint(Color.blue);
ga.fill(circle);
}
public static void main(String args[])
{
// create a frame object for circle.
Frame frame=new DrawCircle();
frame.addWindowListener(new WindowAdapter()
{
public void windowClosing(WindowEvent we)
{
System.exit(0);
}
});
// circle coordinates.
frame.setSize(300, 250);
frame.setVisible(true);
}
}