Printing the string
Console . WriteLine ( s ) ; } static String reverse ( String s , int beg , int end ) { StringBuilder x = new StringBuilder ( " " ) ; for ( int i = 0 ; i < beg ; i ++ ) x . Append ( s [ i ] ) ; for ( int i = end - 1 ; i >= beg ; i -- ) x . Append ( s [ i ] ) ; for ( int i = end ; i < s . Length ; i ++ ) x . Append ( s [ i ] ) ; return x . ToString ( ) ; }