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You are here: Home › Random Java, JEE Tips & Tricks & News › why varargs in java should be last parameter?
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why varargs in java should be last parameter?

October 28, 2012 | Filed under: Random Java, JEE Tips & Tricks & News

Ever wondered why varargs should be the last parameter? Found the solution at stackoverflow. Excerpt from the post is below

It follows the C convention. The C convention in turn is based on CPU architectures which pass arguments on the stack. The first non-vararg arguments end up at a fixed offset in the stackframe. If you could put the vararg arguments first, the stack offset of the following arguments would depend on how many vararg parameters you would have passed. This would greatly complicate the amount of code needed to access them.

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Written by Dhananjay Jha

I am a java professional working with a software firm in Noida as "Manager - Product Engineering". I am always keen to learn and share what I have learnt. More professional details about me are available at Linked In and social details are available at facebook and Google Plus. I share my thought in maithili (my mother tongue) at बताह मैथिल and bataahmaithil

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