if (hostname != null && hostname.length() > 0 && Character.isDigit(hostname.charAt(0))) {
            int i, len, dots;
            char[] data;

            i = dots = 0; /* quick IP address validation */
            len = hostname.length();
            data = hostname.toCharArray();
            while (i < len && Character.isDigit(data[i++])) {
                if (i == len && dots == 3) {

   * ("constant tables"). Example:
   *
   * {@snippet :
   * static final ImmutableTable<Integer, Character, String> SPREADSHEET =
   *     new ImmutableTable.Builder<Integer, Character, String>()
   *         .put(1, 'A', "foo")
   *         .put(1, 'B', "bar")
   *         .put(2, 'A', "baz")
   *         .buildOrThrow();
   * }
   *

  }

  // Helper to assert common expected behaviour of uri escapers.
  static void assertBasicUrlEscaper(UnicodeEscaper e) {
    assertBasicUrlEscaperExceptPercent(e);
    // The escape character must always be escaped
    assertEscaping(e, "%25", '%');
  }

  static void assertPathEscaper(UnicodeEscaper e) {
    assertBasicUrlEscaper(e);

    assertUnescaped(e, '!');
    assertUnescaped(e, '\'');

        return elements;
    }

    /**
     * Returns an array of {@literal Character}.
     *
     * @param elements the elements of the array
     * @return the array
     */
    public static Character[] asArray(final Character... elements) {
        return elements;
    }

    /**
     * Returns an array of {@literal Byte}.
     *

        calledName = hostName.name;

        if (Character.isDigit(calledName.charAt(0))) {
            int i, len, dots;
            char[] data;

            i = dots = 0; /* quick IP address validation */
            len = calledName.length();
            data = calledName.toCharArray();
            while (i < len && Character.isDigit(data[i++])) {
                if (i == len && dots == 3) {

   *     Character.MAX_RADIX}
   * @throws NullPointerException if {@code string} is {@code null}
   * @since 19.0
   */
  public static @Nullable Long tryParse(String string, int radix) {
    if (checkNotNull(string).isEmpty()) {
      return null;
    }
    if (radix < Character.MIN_RADIX || radix > Character.MAX_RADIX) {

 * It also provides a method to retrieve the extracted data as a String from an AccessResultData object.
 *
 * <p>
 * The class handles character encoding issues by attempting to use the specified charset.
 * If the specified charset is invalid, it falls back to UTF-8.
 * </p>
 *
 * <p>

	{"3>>-4", "negative right shift count"},
	{"3>>(1<<63)", "negative right shift count"},
	{"(1<<63)>>2", "right shift of value with high bit set"},
	{"(1<<62)>>2", ""},
	{`'\x80'`, "illegal UTF-8 encoding for character constant"},
	{"(23*4", "missing closing paren"},
	{")23*4", "unexpected ) evaluating expression"},
	{"18446744073709551616", "value out of range"},
}

func TestBadExpr(t *testing.T) {

import java.nio.charset.StandardCharsets;

/**
 * Constants used in the fess-crawler.
 * This class provides a collection of constant values for HTTP methods, status codes,
 * transformer names, boolean values, character encodings, date/time formats, and XML features.
 * It is designed to avoid the instantiation.
 */
public final class Constants {
    /**
     * The GET method.
     */

	if atEOF {
		return len(data), dropCR(data), nil
	}
	// Request more data.
	return 0, nil, nil
}

// isSpace reports whether the character is a Unicode white space character.
// We avoid dependency on the unicode package, but check validity of the implementation
// in the tests.
func isSpace(r rune) bool {
	if r <= '\u00FF' {