question: private static String deleteAny ( final String inString , final String charsToDelete ) { if ( ! hasLength ( inString ) || ! hasLength ( charsToDelete ) ) { return inString ; } final StringBuffer out = new StringBuffer ( ) ; for ( int i = 0 ; i < inString . length ( ) ; i ++ ) { final char c = inString . charAt ( i ) ; if ( charsToDelete . indexOf ( c ) == - 1 ) { out . append ( c ) ; } } return out . toString ( ) ; }
target:  Delete any character in a given String.