return0 is it nessary

Answer 1

if u don't want to return anything then u can put 0
it's best to use void if u don't want anything to return

Answer 2

Yes, it is nessary if data type of our func. is anything except void .

Answer 3

Already I use void no return

Answer 4

yep if u don't want anything then put return 0

Answer 5

OK thanks

Answer 6

No, it ain't necessary depends upon the return type.
As when we write int main (), main function must return an integer value so we write return 0; since there is nothing to return
While we can avoid using it simply by giving return type void as: void main()