Comprehensive questions and detailed answers for Unit 4: Servlets and JSP (14Hrs). Perfect for exam preparation and concept clarity.
How do you set and get Cookie in Servlet? Explain using a suitable Java program.
Explain different scripting elements of JSP with examples.
What are the differences between servlets and Java applications? Explain different methods used for handling cookies in Java.
Differentiate between declaration and expression tags used in JSP. Also create a JSP page that contains three textboxes to input three numbers and a button. It should display the greatest number among three numbers when the button is clicked.
What are the key methods provided in HttpSession interface for handling sessions? Explain.
Differentiate between servlet and JSP. Create a servlet that computes and displays the factorial of an input number entered from a page when the button from that page is pressed by the user.
What are declaration and expression tags in JSP? Explain with examples.
Explain the lifecycle of a Java Servlet. Write a servlet program that takes three numbers from an HTML page and computes the sum of natural numbers up to the greatest number among the three numbers.
What is directive element in JSP? Explain in detail. Create a JSP page that verifies the username and password entered form an HTML file and if the username and password are correct it displays a greetings message. Otherwise, it redirects to the register page.