private static boolean followingCharsAre(String str, int startIndex, String nextChars) {
        return (str.indexOf(nextChars, startIndex + 1) == (startIndex + 1));
    }
private static boolean followingCharsAre ( String str , int startIndex , String nextChars ) { return ( str . indexOf ( nextChars , startIndex + 1 ) == ( startIndex + 1 ) ) ; }
Tests if the chars following position {@code startIndex} in string
{@code str} are that of {@code nextChars}.

@param str
@param startIndex
@param nextChars
@return