Some Simple Methods for String Reversal:

Rev( string str )

Uses a for loop to add the last character of the string to a new a string and outputs the result

RecursiveRev( string str )

Uses recursion to call the same method with the first character removed and adds it to the end of the call

ReverseSentence( string str )

Reverses the entire string and then reverses the individuals words to output the sentence with the words in reverse order