Appending String

NSString *firstName=@"Manoj";
NSString *lastName=@"Yadav";

NSString *fullName = [NSString stringWithFormat:@"%@ %@",firstName,lastName];

//OutPut >> Rajneesh Tailor 


NSString *fullName2 =[firstName stringByAppendingString:lastName];

//OutPut >> ManojYadav  (if you don't want space between both)

Component Separate by String 


NSString *string = @"Manoj,Iphone Developer";

NSArray *separateStringsAry = [string componentsSeparatedByString:@","];

NSLog(@"%@",[separateStringsAry objectAtIndex:0]); //OutPut : Manoj
NSLog(@"%@",[separateStringsAry objectAtIndex:1]); //OutPut : Iphone Developer