Thursday 8 August 2013

why should we have a right value such this?

why should we have a right value such this?

in this code:
uint uintnum=7u;
long longnum=7l;
ulong ulongnum=7 ul;
my question is,if we don't write in first line 7u or in second one 7l or
in third one 7ul it will convert in first line to uint in second one to
long and in third one to ulong.thus, why should we write this right
value?(I mean 7u and 7l and 7ul) thanks

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