B7. Write an applet to draw a polygon based on the number of sides of the polygon as input. Ex. If sides =3, it should draw a triangle, for 4 square for 8 octagon etc.

/*B7. 2019 Syllabus Write an applet to draw a polygon based on the number of sides of the polygon as input. Ex. If sides =3, it should draw a triangle, for 4 square for 8 octagon etc. */
 /*
<applet code = B7.class width=600 height=600>
</applet>
*/
import java.applet.*;
import java.awt.*;
import java.awt.event.*;
public class B7 extends Applet implements ActionListener
{
    TextField text1,text2;
    //Function to initialize the applet
    public void init()
    {
        setBackground(Color.gray);
        setLayout(null);
        text1= new TextField(20);
        text1.setBounds(150,50,40,20);
        add(text1);
        text1.addActionListener(this);
    }
    
    public void actionPerformed(ActionEvent ae)
    {
        repaint();
    }
    //Function to draw and fill shapes
    public void paint(Graphics g)
    {
        int n;
        g.setColor(Color.blue);
        g.drawString("Enter a number to draw Polygon:",150,20);
        n=Integer.parseInt(text1.getText());
        if(n<5)
        {
            int x[]={200,300,300,200,200};
            int y[]={100,100,200,200,100};
            g.drawPolygon(x,y,n);
        }
        else if(n==5)
        {
                int x[]={200,400,400,200,100,200};
                int y[]={100,100,300,300,200,100};
                g.drawPolygon(x,y,n);
        }
        else if(n==8)
        {
                int x[]={200,300,400,400,300,200,100,100,200};
                int y[]={100,100,200,300,400,400,300,200,100};
                g.drawPolygon(x,y,n);
        }
    }
}