Four arithmetic applet

IMPORT JAVA.Applet.applet;

Import java.applet. *;

Import java.awt. *;

Import java.awt.event. *;

Public Class E6 Extends Applet IMPLEments ActionListener

{

Textfield text1, text2, text3;

Button Button1, Button2, Button3, Button4

Public void init ()

{

Text1 = New TextField (10);

Text2 = New TextField (10);

Text3 = New TextField (10);

Button1 = New Button (" ");

Button2 = New Button ("-");

Button3 = New Button ("*");

Button4 = New Button ("/");

Add (Text1); Add (Text2); Add (Text3);

Add (Button1); Add (Button2); Add (Button3); Add (Button4);

Button1.addactionListener (this);

Button2.addactionListener (this);

Button3.addactionListener (this);

Button4.addactionListener (this);

}

Public Void ActionPerformed (ActionEvent E)

{

Long N, N1, N2;

N1 = long.parselong (Text1.getText ());

N2 = long.parselong (Text2.getText ());

IF (E.getsource () == Button1)

{

N = N1 N2;

TEXT3.SETTEXT (String.Valueof (n));

}

Else if (E.getsource () == Button2)

{n = n1-n2;

TEXT3.SETTEXT (String.Valueof (n));

}

Else if (E.Getsource () == Button3)

{n = n1 * n2;

TEXT3.SETTEXT (String.Valueof (n));

}

Else

{n = n1 / n2;

TEXT3.SETTEXT (String.Valueof (n));

}

}

}