B8. Write an applet to draw n squares, rectangle and circles.

 /* <applet code="Prog8" height=1000 width=1000>   </applet> */
 
import java.awt.*;
import java.applet.*;
import java.awt.event.*;
public class Prog8 extends Applet implements ActionListener
{
    TextField text1,text2;
    
    public void init()
    {
        setLayout(null);
        text1= new TextField(20);
        text1.setBounds(150,50,40,20);
        add(text1);
        text1.addActionListener(this);
    }

    public void actionPerformed(ActionEvent ae)
    {
        repaint();
    }
    public void paint(Graphics g)
    {
        int n;
        String str;
        int x=200,y=200,w=400;
        int x1=200,y1=200,w1=300;
        int x2=160,y2=160,w2=200,z2=300 ;

        g.drawString("Input value for n:",50,60);
        str=text1.getText();  
        n=Integer.parseInt(str);
        for(int i=0;i<n;i++)
        {
            g.setColor(Color.red);
            g.drawOval(x,y,w,w);
            x=x-10;
            y=y-10;
            w=w+20;
        }
        for(int i=0;i<n;i++)
        {
            g.setColor(Color.blue);
            g.drawRect(x1,y1,w1,w1);
            x1=x1-10;
            y1=y1-10;
            w1=w1+20;
        }
        for(int i=0;i<n;i++)
        {
            g.setColor(Color.green);
            g.drawRect(x2,y2,w2,z2);
            x2=x2-20;
            y2=y2-30;
            w2=w2+40;
            z2=z2+50;
        }

    }

 }