This tutorial will teach you how to make the simple calculator in jsp programming.This programming will be able add,subtract,multiply,divide two numbers.
Form Design
Result
1 | 30 |
Form Design
Index.jsp
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 | <html> <head> <title>TODO supply a title</title> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/css/bootstrap.min.css" integrity="sha384-9aIt2nRpC12Uk9gS9baDl411NQApFmC26EwAOH8WgZl5MYYxFfc+NcPb1dKGj7Sk" crossorigin="anonymous"> <script src="https://code.jquery.com/jquery-3.5.1.slim.min.js" integrity="sha384-DfXdz2htPH0lsSSs5nCTpuj/zy4C+OGpamoFVy38MVBnE+IbbVYUew+OrCXaRkfj" crossorigin="anonymous"></script> <script src="https://cdn.jsdelivr.net/npm/popper.js@1.16.0/dist/umd/popper.min.js" integrity="sha384-Q6E9RHvbIyZFJoft+2mJbHaEWldlvI9IOYy5n3zV9zzTtmI3UksdQRVvoxMfooAo" crossorigin="anonymous"></script> <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/js/bootstrap.min.js" integrity="sha384-OgVRvuATP1z7JjHLkuOU7Xw704+h835Lr+6QL9UvYjZE3Ipu6Tp75j7Bh/kR0JKI" crossorigin="anonymous"></script> </head> <body> <form action="add.jsp" method="POST"> <table cellpadding ="10" cellspacing="10"> <tr> <td> <input type="radio" name="r1" id="add" value="add" > +</td> </tr> <tr> <td> <input type="radio" name="r1" id="min" value="min" > -</td> </tr> <tr> <td> <input type="radio" name="r1" id="sub" value="sub" > *</td> </tr> <tr> <td> <input type="radio" name="r1" id="div" value="div" > /</td> </tr> <tr> <td> Num1 </td> <td> <input type="text" name="num1" id="num1" > </td> </tr> <tr> <td> Num2 </td> <td> <input type="text" name="num2" id="num2" > </td> </tr> <tr> <td> <input type="submit" value="Ok" > </td> </tr> </table> </form> </body> </html> |
Add.jsp
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 | <% String str = request.getParameter("r1"); int num1; int num2; int tot=0; num1 = Integer.parseInt(request.getParameter("num1")); num2 = Integer.parseInt(request.getParameter("num2")); if ("add".equals(str)) { tot = num1 + num2; } else if ("min".equals(str)) { tot = num1 - num2; } else if ("sub".equals(str)) { tot = num1 * num2; } else if ("div".equals(str)) { tot = num1 / num2; } Integer result = new Integer(tot); out.println(result.toString()); %> |
i have attached the video link below. which will do this tutorials step by step.
