How to find whether a parameter exists in the request object?


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More Servlets Interview Questions

How can you use a servlet to generate a plain text instead of html?

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can servlet have instance variables?

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What is the difference between the getrequestdispatcher(string path) method of javax.servlet.servletrequest interface and javax.servlet.servletcontext interface?

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What is servlet used for?

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Why are servlets used?

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Can a servlet be called by passing its name as a parameter in the URL?

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What is MIME Type?

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What is cookie? Why is cookie used?

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HTTP tunneling means what?

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Explain the architechure of a servlet?

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