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How post() methods serve the purpose of non-idempotence.

 
Loganathan Karunakaran
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Hi All,

I have a doubt regarding idempotence. I read in head-first servlets and jsp that post() methods are non-idempotent as per specification.
Say, I have a link which calls a post() method that updates some thing in database. Does it mean that if I click twice or thrice, it will invoke only once.

How post() methods server the purpose of non-idempotence.

Thanks in Advance.
Loganathan. K
 
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