coding ground 에서 Objective-C 실습 해보기

main.m

#import "MyClass.h"

int main (int argc, const char * argv[])

{

    NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];

        MyClass *myObj = [[MyClass alloc]init];

        int r = [myObj DDD:5]; //호출

        //[객체 메서드]

        NSLog(@" 결과 = %d\n", r );

    [pool drain];

    return 0;

}

MyClass.h

#import <Foundation/Foundation.h>

@interface MyClass:NSObject -(int) DDD: (int) x; //선언 

@end

MyClass.m

#import "MyClass.h"

@implementation MyClass -(int) DDD: (int) x //정의 

{

   return(x*2);

}

@end