[Objective-C] 인스턴스 초기화 코드

//NSData

NSString *urlString = @"http://domain.com/filename";

NSURL *url = [NSURL URLWithString:urlString];

NSData *data = [NSData dataWithContentsOfURL:url];

//NSString

NSString *urlString = @"http://domain.com/filename";

NSURL *url = [NSURL URLWithString:urlString];

NSString *string = [NSString stringWithContentsOfURL:url encoding:NSUTF8StringEncoding error:nil];