question: public static String cleanBeginWhitespace ( String in ) { int len = in . length ( ) ; int st = 0 ; int off = 0 ; char [ ] val = in . toCharArray ( ) ; while ( ( st < len ) && ( val [ off + st ] <= ' ' ) ) { st ++ ; } return ( ( st > 0 ) || ( len < in . length ( ) ) ) ? in . substring ( st , len ) : in ; }
target:  remove white space from the begin