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Java Servlet Programming Interview Questions And Answers

Java Programing :: Java Servlet Programming Job Interview Questions and Answers

Basic and Advanced Java Servlet Programming interview questions and answers...

1 ► What is the servlet?
2 ► What’s the difference between servlets and applets?
3 ► What’s the advantages using servlets than using CGI?
4 ► What are the uses of Servlets?
5 ► What’s the Servlet Interface?
6 ► When a servlet accepts a call from a client, it receives two objects. What are they?
7 ► What is Java Servlet?
8 ► Why is Servlet so popular?
9 ► What is servlet container?
10 ► When a client request is sent to the servlet container, how does the container choose which servlet to invoke?
11 ► If a servlet is not properly initialized, what exception may be thrown?
12 ► Given the request path below, which are context path, servlet path and path info?
13 ► What is filter? Can filter be used as request or response?
14 ► When using servlets to build the HTML, you build a DOCTYPE line, why do you do that?
15 ► What is new in ServletRequest interface?(Servlet 2.4)
16 ► Request parameter How to find whether a parameter exists in the request object?
17 ► How can I send user authentication information while makingURLConnection?
18 ► Can we use the constructor, instead of init(), to initialize servlet?
19 ► How can a servlet refresh automatically if some new data has entered the database?
20 ► The code in a finally clause will never fail to execute, right?
21 ► What mechanisms are used by a Servlet Container to maintain session information?
22 ► Difference between GET and POST in Java Servlets?
23 ► What is Java Servlet session?
24 ► What is servlet mapping?
25 ► What is servlet context ?
26 ► Which interface must be implemented by all servlets?