Following Java program should draw a square in the middle of the existing frame, and a circle inside the square. Complete the code using the provided comments. Note that the drawing components should be always in the middle of the frame when you resize your window. // import JFrame and JComponent classes

import _________________________

import _________________________

import java.awt.*;

/* Drawing component class. */

public class DrawingViewer {

public static void main(String[] args) {

JFrame frame = new JFrame()

; // Set the size of the frame, width 400 and height 300

frame.____________________;

frame.setTitle("Shapes");

frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

// Create an object of the DrawingComponents class and

// add it to the frame

__________________________________________________

__________________________________________________

// make the frame visible

_________________________

}

}

/* Viewer class. */

class DrawingComponents extends JComponent {

public void paintComponent(Graphics g) {

// Cast g to a Graphics2D object g2.

_________________________

// Construct the square and draw it. Width of the square is 100.

__________________________________________________

__________________________________________________

// Construct the circle and draw it. Circle diameter is 60.

Ellipse2D.Double circle = new Ellipse2D.Double(_______________________);

// Construct a rectangle and draw it

__________________________________________________

}

}