Java Web Technologies — Winter 2021

What is servlet? Explain life cycle of servlet with example.

Explain the methods :getParameter(), getParameterValues(), getParameter- Names().

What is the usage of cookies? Explain how cookies are send and received by the servlet.

List and explain any seven response headers.

What are status codes? List and explain different status codes available.

What is session management? Explain session management API in detail.

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

What are filters? How can we create and use filters? Explain.

Explain page directive with its attributes.

Discuss the classic approach to invoke java code from JSP. Explain any one with example.

Explain JSP 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.

Define expression language. Discuss its implicit objects.

Explain the use of PreparedStatement with suitable example.

Write and explain steps to create form-based authentication with suitable example.

Write down steps for connecting to a database using JDBC. Explain in detail with code snippet.