가변형 배열(MutableArray)

가변형 배열(MutableArray)

#import <Foundation/Foundation.h>

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

    @autoreleasepool {

        //배열 생성

        NSMutableArray *my_array = [NSMutableArray array]; //array메소드로 배열 생성.

        [my_array addObject:@1];

        [my_array addObject:@"hello"];

        NSLog(@"\nCheck my mutableArray : %@",my_array);

        

        [my_array removeObjectAtIndex:0];

        NSLog(@"\ncheck array : %@", my_array);

    }

    return 0;

}

==> 결과 :

2019-02-15 13:11:09.416725+0900 Study[1627:299669] 

Check my mutableArray : (

    1,

    hello

)

2019-02-15 13:11:09.416976+0900 Study[1627:299669] 

check array : (

    hello

)

Program ended with exit code: 0