Develop an applet that receives an integer in one text field,and computes its factorial value and return it in another text field, when the button named “Compute” is clicked.

 Develop an applet that receives an integer in one text field,and computes its factorial value and return it in another text field, when the button named “Compute” is clicked.

import java.awt.*;

import java.awt.event.*;

import java.applet.*;

public class Factorial extends Applet implements ActionListener

{

    Label l1,l2;

TextField t1,t2;

    Button com;

    //int n,i,fact=0;

    public void init()

    {

        l1=new Label("Enter a no.");

        add(l1);

        l2=new Label("Factorial");

        add(l2);

        t1=new TextField(10);

        add(t1);

        t2=new TextField(10);

        add(t2);

        com=new Button("Compute");

        add(com);

com.addActionListener(this);

 

    }

    public void actionPerformed(ActionEvent e)

    {

        if(e.getSource()==com)

        {

            int i,fact=1;

 

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

            for(i=1;i<=n;i++)

            {

                        fact=fact*i;

            }

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

        }

 

    }

}

 /*<applet code=Factorial.class WIDTH=300 HEIGHT=200>

</applet>  */

 

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