#import <Foundation/Foundation.h> #include <iostream> @interface MyString : NSObject { NSString *_string; NSDate *_date; } - (id)initWithNSString:(NSString *)string; @property (copy) NSString *string; @property (readonly,getter=getTheDate) NSDate *date; - (NSDate *) getTheDate; @end @implementation MyString @synthesize string = _string; @synthesize date = _date; - (id)initWithNSString:(NSString *)string { if (self = [super init]) { _string = [NSString stringWithString:string]; _date = [NSDate date]; } return self; } - (void) dealloc { [_date release]; [_string release]; [super dealloc]; } - (NSDate *) getTheDate { return _date; } - (NSString *)description { return [_string stringByAppendingFormat:@" with timestamp: %@", _date]; } @end int main (int argc, char const *argv[]) { NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init]; static NSString *g_global_nsstr = @"Howdy"; MyString *myStr = [[MyString alloc] initWithNSString: [NSString stringWithFormat:@"string %i", 1]]; NSString *str1 = myStr.string; NSString *str2 = [NSString stringWithFormat:@"string %i", 2]; NSString *str3 = [NSString stringWithFormat:@"string %i", 3]; NSArray *array = [NSArray arrayWithObjects: str1, str2, str3, nil]; NSDictionary *dict = [NSDictionary dictionaryWithObjectsAndKeys: str1, @"1", str2, @"2", str3, @"3", myStr.date, @"date", nil]; id str_id = str1; SEL sel = @selector(length); [pool release]; std::cout << "Hello, objc++!\n"; return 0; }