oc试题-以下代码输出结果是什么
NSMutableDictionary *mutableDic = [NSMutableDictionary dictionaryWithObjectsAndKeys:@"lisi",@"name",[NSNumber numberWithInt:20],@"age", nil]; [mutableDic setObject:@"89" forKey:@"num"]; NSLog(@"mutableDic4 = %@",mutableDic);
NSMutableDictionary *mutableDic = [NSMutableDictionary dictionaryWithObjectsAndKeys:@"lisi",@"name",[NSNumber numberWithInt:20],@"age", nil]; [mutableDic setObject:@"89" forKey:@"num"]; NSLog(@"mutableDic4 = %@",mutableDic);
网友评论0