Servlets 면접 질문과 답변
관련 차이점
Ques 21. The code in a finally clause will never fail to execute, right?
Using System.exit(1); in try block will not allow finally code to execute.
Ques 22. What mechanisms are used by a Servlet Container to maintain session information?
Cookies, URL rewriting, and HTTPS protocol information are used to maintain session information
Ques 23. Difference between GET and POST
In GET your entire form submission can be encapsulated in one URL, like a hyperlink. query length is limited to 260 characters, not secure, faster, quick and easy.
In POST Your name/value pairs inside the body of the HTTP request, which makes for a cleaner URL and imposes no size limitations on the form's output. It is used to send a chunk of data to the server to be processed, more versatile, most secure.
Ques 24. What is session?
The session is an object used by a servlet to track a user's interaction with a Web application across multiple HTTP requests.
Ques 25. What is servlet mapping?
The servlet mapping defines an association between a URL pattern and a servlet. The mapping is used to map requests to servlets.
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