How to declare a string in Objective-C ?

A C string is just like in C.char myCString[] = "test";An NSString uses the @ character:NSString *myNSString = @"test";//If you need to manage the NSString's memory:NSString *myNSString = [NSString stringWithFormat:@"test"];NSString *myRetainedNSString = [[NSString alloc] initWithFormat:@"test"];Or if you need an editable string:NSMutableString *myMutableString = [NSMutableString stringWithFormat:@"test"];You can read more from the Apple NSString documentation.