Java Web Technologies — Summer 2023

Explain following terms. 1) _____ environment variable is used to set the java path? 2) What is Truncation in Java? 3) MVC pattern stands for ______ . 4) _______ can be connect to database in a web application? 5) Storage capacity of cookies is ______ . 6) ______ , process starts with each request and will initiate OS level process. 7) _______ is used to pass information from JSP to included JSP.

Discuss various ways to prevent of EL in our JSP page.

What are the differences between execute, executeQuary and executeUpdate.

Explain Servlet Life Cycle with example and diagram.

What is a cookie? How will you maintain session using cookies?

Explain the steps to access the database using servlet.

What do you mean by event listeners? Explain any 4 event listeners.

What are status codes? Explain its different categories? How can a status code be set in a response?

Write down steps for JDBC with example. Give the name of the JSP directives. Explain important attributes of <%@page%>

07 (page directive) with example.

Define expression language. Discuss its implicit objects.

Explain the required steps for implementing MVC using request dispatcher with example code.

Explain <jsp:useBean>, <jsp:getProperty> and <jsp:setProperty> with suitable example.

Describe the use of getParameter(), getParameterValues() and getParameterNames() with suitable example.

Write down steps for creating filters in detail

Explain how can a JPEG file be generated in a servlet.

Explain the steps of how RequestDispatcher can be used for implementing MVC.