配列ループ

#import <Foundation/Foundation.h>

int main(void) {
    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];

    int i;

    // NSArrayをループする
    [[NSArray]] *array = [NSArray arrayWithObjects:@"aaa", @"bbb", @"ccc", @"ddd", nil];
    for (i = 0; i < [array count]; i++) {
        NSLog(@"index: %d, value: %@\n", i, [array objectAtIndex:i]);
    }

    // NSDictionaryをループする
    NSDictionary *dict = [NSDictionary dictionaryWithObjectsAndKeys:
                         @"futaba", @"name", [NSNumber numberWithInt:4], @"age",
                         @"white", @"color", nil];
    NSArray *keys = [dict allKeys];
    for (i = 0; i < [keys count]; i++) {
        NSLog(@"key: %@, value: %@\n", [keys objectAtIndex:i], [dict objectForKey:[keys objectAtIndex:i]]);
    }

    [pool drain];
    return 0;
}