JAVA JEE Technologies FULL STACK DEVELOPMENT
Objectives of this Lab Manual This lab manual includes - Exercises for hands on practice Guidelines to complete the exercise Learning Outcome
Addition of two numbers using JSP
Problem What will you do? Statement Write a program to add two pre-defined numbers and read the session value using JSP.
Solution What will be the steps Steps to get the output? • Step 1: Use the HTML tags, mention a title and start with the body. • Step 2: Declare the variables along with some random values, for eg 10 and 20. • Step 3: Use the operator and enter the print command for the desired output. • Step 4: Set a sum output to a session. • Step 5: Get the session value and enter the print command for the same.
Code <html> <head> <title>JSP Test Page</title> </head> <body> <%@ page session = \"true\" %> <% int i = 10; int j = 20; int sum = i + j; out.println(\"Sum of i and j will be: \"+sum);
Code session.setAttribute(\"SUMSESSION\",sum); // setting the sum output to a session, SUM is the name of the session variable session.getAttribute(\"SUM\"); // getting the session value out.println(\"<br>Reading session value: \"+ session.getAttribute(\"SUMSESSION\")); %> </body> </html>
Output Output for the Adedxetercxitsheewreil:l- be :- Sum of i and j will be: 30 Reading session value: 30
Learning Outcome After Performing this Add teExxt ehrecries:e- You will be able to write any program using JSP.
Happy Learning!
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