some1 pls explain functions ( void and int) properly and slowly.

Answer 1

void are those functions that do not give any output whereas int function gives an integer as an output

Answer 2

Int function must always return INTeger, void is using where function has nothing to return. By example, void to write some text on console screen, int function to add a+b that return INT c

Answer 3

if function's return type is void then it doesn't return anything but if return type is int then it will return integer value.