Expression result unused in label text

Question

j is int variable, _option1 is NSString

 quest.text = (@"%d %@",j, _optoin1);

Warning : Expression result unused for UILabel - quest.text any can give me definition

Answer 1

Just use NSString StringWithFormat as

 quest.text = [NSString stringWithFormat:@"\%d. %@ ",j,_optoin1];