int i=5; -> variable declaration and expression. OK with the compiler outside a function block.
int i; -> variable declaration, no expression. OK with the compiler as well. i=5; -> statement + expression... not cool outside a function block -> compiler busts you. i=5; needs to be inside a func block. Cheers, Zubin. On Sat, Jan 31, 2009 at 6:42 AM, Saifi Khan <[email protected]>wrote: > On Sat, 31 Jan 2009, chiluveru snehith wrote: > > > in Cu can declare a variable outside but u should extern key word > > before it"extern > > int i;" > > u can't intilize the the variable outsideas i=5; this is wrong > > if u want intilize it make it as static > > "static int i=5;" > > in C++ > > u cant declare variables outside outside ,if u want to declare use extern > > key word > > otherwise declare it in one class the class as default constructor in it > > it will automatically initilize the variable inside the class > > > > How does this piece of code work then ? > > // ------------------------------ > > #include <iostream> > > int i = 5; > > int main(int argc, char *argv[]) > { > return 0; > } > > // ------------------------------ > > thanks > Saifi. > > [Non-text portions of this message have been removed]
