Is  there any way to test a servlet without deploying it???

It is probably a stupid question, and i probably am right in assuming the answer is 'no' but i figured i'd ask anyway because i'm new to servlet writing and wanted to know if i could test my servlet before bothering to package it into a .war and putting it in a web container just to end up finding out something isn't right and having to re-package it again each time i need to change a bug.
so just a simple answer if this can't be done will do
if it can be done- a suggestion of how you do this in detail would be awesome, and might even earn ya some Dukes.

Your building an entire site and exporting it to a war file without ever testing anything? Testing your servlet can easy or hard.. depends on what classes your importing into it... and if you can simulate some sample input for it to handle.

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