#import @import Foundation // Single line comments /* * Multi line comment */ int main (int argc, const char * argv[]) { NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init]; NSLog(@"Storage size for int : %d \n", sizeof(int)); NSLog (@"hello world"); if (NO) { NSLog(@"I am never run"); } else if (0) { NSLog(@"I am also never run"); } else { NSLog(@"I print"); } [pool drain]; return 0; } @implementation MyClass { long distance; NSNumber height; }