Using java create Applets
having addition and subtraction.
package javaapplication23;
import java.applet.*;
import java.awt.event.*;
import java.awt.*;
public class JavaApplication23 extends Applet
implements ActionListener{
TextArea txtArea;
String Add,
Subtract;
int i = 10,
j = 20, sum =0,Sub=0;
public void
init(){
txtArea
= new TextArea(10,20);
txtArea.setEditable(false);
add(txtArea,"center");
Button b
= new Button("Add");
Button c
= new Button("Subtract");
b.addActionListener(this);
c.addActionListener(this);
add(b);
add(c);
}
public void
actionPerformed(ActionEvent e){
sum = i
+ j;
txtArea.setText("");
txtArea.append("i = "+ i + "\t" + "j = " +
j + "\n");
Button
source = (Button)e.getSource();
if(source.getLabel() == "Add"){
txtArea.append("Sum : " + sum + "\n");
}
if(i
>j){
Sub =
i - j;
}
else{
Sub =
j - i;
}
if(source.getLabel()
== "Subtract"){
txtArea.append("Sub : " + Sub + "\n"); }
}}