Develop an Applet that receives an integer in one text field & computes its factorial value & returns it in another text filed when the button “Compute” is clicked.

Develop an Applet that receives an integer in one text field & computes its factorial value & returns it in another text filed when the button “Compute” is clicked.

Program Code:

import java.awt.*;

import java.lang.String;

import java.awt.event.*;

import java.applet.Applet;

public class Fact extends Applet implements ActionListener

{

String str;

Button b0;

TextField t1,t2;

Label l1;

public void init(){

Panel p=new Panel();

p.setLayout(new GridLayout());

add(new Label("Enter any Integer value"));

add(t1=new TextField(20));

add(new Label("Factorial value is: "));

add(t2=new TextField(20));

add(b0=new Button("compute"));

b0.addActionListener(this);

}

public void actionPerformed(ActionEvent e)

{

int i,n,f=1;

n=Integer.parseInt(t1.getText());

for(i=1;i<=n;i++)

f=f*i;

t2.setText(String.valueOf(f));

repaint();

}

}