ok, quick question for those who know the standard well. when is a variable (and array and class object) set to 0 by default (all elements, all members) in C++. i know that if it's global it should be (is it?). are there any other cases?
invinate
0
Light Poster
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Jump to PostI don't know the standard well at all. But I'd say it was always a good idea to intialise your variables, where ever they may be.
Jump to Postok, quick question for those who know the standard well. when is a variable (and array and class object) set to 0 by default (all elements, all members) in C++. i know that if it's global it should be (is it?). are there any other cases?
static also,
well u …
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iamthwee
I don't know the standard well at all. But I'd say it was always a good idea to intialise your variables, where ever they may be.
dubeyprateek
26
Junior Poster
ok, quick question for those who know the standard well. when is a variable (and array and class object) set to 0 by default (all elements, all members) in C++. i know that if it's global it should be (is it?). are there any other cases?
static also,
well u can use sometimes like, but i never found it a gud idea.
int i[100] = {0} ;intializer list in a class also help to achive it.
WolfPack
491
Posting Virtuoso
Team Colleague
but i never found it a gud idea.
int i[100] = {0} ;
Why not?
dubeyprateek
26
Junior Poster
Why not?
beacuse it does not works when int i[100] is a memeber of a class.
rest if it is not a member of a class performence wise it is a good thing to write it that way.
invinate
0
Light Poster
ok, thanks for the replies!
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