import java.applet.*; import java.awt.*; import java.awt.event.*;

public class Applet2 extends Applet {

public void init() {

Label lbl1=new Label("First Number: "); add(lbl1);

TextField txt1=new TextField(10); add(txt1);

Label lbl2=new Label("Second Number: "); add(lbl2);

TextField txt2=new TextField(10);

add(txt2);

Label lbl3=new Label("Result: "); add(lbl3);

Button btn=new Button("Submit"); add(btn);

btn.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent ae) {

int first=Integer.parseInt (txt1.getText().toString());

int second=Integer.parseInt (txt2.getText().toString());

int res=first+second; lbl3.setText("Result: "+res);

}

});

}

}

Output