Question
Write JSP programs which can perform the following tasks: (i) A page requires input of four variables a, b, c and d, it then computes and displays the value a*b/(c+d). In addition, the program must make sure that, in case there is division by zero error, it is reported. Write the JSP code for the above. (ii) Why are cookies created? Explain their use with the help of two cookies namely customerID and customername. The example should demonstrate the use of the cookie.
Answer :
Word Count : 492
(i) To create a JSP page that takes inputs for four variables (a, b, c, and d), computes the result of a*b/(c+d), and handles division by zero errors, you can use the following code:
<%@ page language="java" contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1"%> <html> <head> <title>Division Calculation</title> </head> <body> <h2>Enter Values for a, b, c, d</h2> <form action="" method="post"> a: <input type="text" name="a" required><br><br> b: <input type="text" name="b" required><br><br> c: <input type="text" name="c" required><br><br> d: <input type="text" name="d" required><br><br> <input type="submit" value="Calculate"> </form> <% ________ ______ ____ ________ _____ ____ _____ _______ _______ _____.
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