printf类型id值在目标c中

Question

如何在目标c中打印类型id。以下是示例代码。

代码： -

的NSMutableArray * ARR = [[NSMutableArray里的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

尝试

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