The following article presents the Top 20 Interview Questions on Java Servlets. Also, their solutions are available on respective links.
Top 20 Interview Questions on Java Servlets and Their Solutions
- What is a servlet? When should we servlets?
- What is the difference between a servlet and a JSP? When should we prefer servlets over JSP?
- What is the lifecycle of a servlet? Give a code example.
- What are the different methods of a servlet?
- Compare the doGet() and doPost() methods.
- How do you handle form data in a servlet?
- What is a servlet container? What are the different servlet containers available?
- When should we use ServletConfig? Also, distinguish between ServletConfig and ServletContext. When should we use ServletContext?
- How do you handle exceptions in a servlet?
- How do you implement session management in a servlet?
- What is the purpose of filters in a servlet?
- What is a listener in a servlet?
- How do you create a servlet that uses a Java Bean?
- Compare request scope and session scope.
- Also, compare include directive and include action.
- How do you handle cookies in a servlet?
- How do you implement security in a servlet?
- Also, compare a GET request and a POST request?
- How do you create a servlet that outputs an image?
- What are the best practices for writing efficient servlet code?
Further Reading
Spring Framework Practice Problems and Their Solutions
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