Reversing a String

 Reversing a String...

- (void) reverseString {

    

    NSMutableString *mainStr = [[NSMutableString alloc]initWithString:@"RavindarReddy"];

    NSString *reverseStr = [[NSString alloc]init];

    

    for (NSInteger i=[mainStr length]-1; i>=0 ; i--) {

        

        unichar ch = [mainStr characterAtIndex:i];

        reverseStr = [reverseStr stringByAppendingString:[NSString stringWithCharacters:&ch length:1]];

    }

    NSLog(@"%@",reverseStr);

}