printf類型id值在目標c中

Question

如何在目標c中打印類型id。以下是示例代碼。

代碼： -

的NSMutableArray * ARR = [[NSMutableArray裏的alloc] INIT];

int sizeArr; 

scanf("%d", &sizeArr); 

int arrayValues; 

for(int i=0; i<sizeArr; i++) 
{ 

    scanf("%d",&arrayValues); 
    [arr addObject:@(arrayValues)]; 
} 

printf("values entered are :"); 

for(int i=0; i<sizeArr; i++) 
{ 
    printf("%@", [arr objectAtIndex:i]); //How to printf array values. 
    // above statement is showing a warning invalid conversion to specifier '@' 
} 

Answer 1

嘗試

NSLog(@"value at index %d is %@",i, [arr objectAtIndex:i]);