NSMutableArray *arr = [[NSMutableArray alloc] init];
[arr addObject:[NSDictionary dictionaryWithObjectsAndKeys:@"hello", @"key1", @"hello2", @"key2", nil]];
[arr addObject:[NSString stringWithFormat:@"there are %d %@", 17, @"monkeys"]];
[someObj someMethod:arr];
[arr release];