First Objective-C Program

hello.m

#import <Foundation/Foundation.h>

@interface MyClass : NSObject

- (void)printHello:(NSString *) name;

@end

@implementation MyClass: NSObject

- (void)printHello:(NSString *) name 
{
    NSLog(@"Hello %@!", name);
    NSLog(@"This is a second line %@!", name);
}

@end

int main()
{
    MyClass *myClass = [[MyClass alloc] init];

    [myClass printHello: @"Firat"];

    return 0;
}