Creating menu without .nib

int main(int argc, char *argv[])
{ 
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
NSApplication *app = [NSApplication sharedApplication];

// Create the main menu that will house each real menu
// File, Edit, etc.
NSMenu *menu = [[NSMenu alloc] initWithTitle:@""];
[app setMainMenu:menu];

// Create the file menu.
NSMenuItem *item = [[[NSMenuItem alloc] initWithTitle:@"" action:nil
keyEquivalent:@""] autorelease];
[item setSubmenu:[[[NSMenu alloc] initWithTitle:@"File"] autorelease]];
[menu addItem:item];

// Run the app
[app run];
return 0;
}