checkNotNull(separator);
    if (array.length == 0) {
      return "";
    }

    // For pre-sizing a builder, just get the right order of magnitude
    StringBuilder builder = new StringBuilder(array.length * 5);
    builder.append(toString(array[0]));
    for (int i = 1; i < array.length; i++) {
      builder.append(separator).append(toString(array[i]));
    }
    return builder.toString();

  val simplified = mergeAdjacentRanges(table.mappings)
  val withoutSectionSpans = withoutSectionSpans(simplified)
  val sections = sections(withoutSectionSpans)

  val rangesBuffer = Buffer()
  val mappingsBuffer = StringBuilder()
  val sectionIndexBuffer = Buffer()

  var previousMappedRanges: List<MappedRange>? = null

  for ((section, sectionMappedRanges) in sections) {
    // Skip sequential ranges when they are equal.

     *
     * @param pattern
     *            パターン文字列
     * @return 区切り文字を含まないプレーンなパターン文字列
     */
    protected static String toPlainPattern(final String pattern) {
        final StringBuilder buf = new StringBuilder(pattern.length());
        for (int i = 0; i < pattern.length(); ++i) {
            final char ch = pattern.charAt(i);
            if (Character.isLetterOrDigit(ch) || Character.isWhitespace(ch)) {

            if (port == -1) {
                port = DEFAULT_FTP_PORT;
            }
            return port;
        }

        public String toUrl(final String path) {
            final StringBuilder buf = new StringBuilder(100);
            buf.append("ftp://");
            buf.append(getHost());
            final int port = getPort();
            if (port != DEFAULT_FTP_PORT) {
                buf.append(':').append(port);

        return dunc;
    }


    /**
     * {@inheritDoc}
     *
     * @see java.lang.Object#toString()
     */
    @Override
    public String toString () {
        StringBuilder sb = new StringBuilder(this.url.toString());
        sb.append('[');
        if ( this.unc != null ) {
            sb.append("unc=");
            sb.append(this.unc);
        }
        if ( this.canon != null ) {

    if (expected != null && !Doubles.FLOATING_POINT_PATTERN.matcher(input).matches()) {
      // TODO(cpovirk): Use SourceCodeEscapers if it is added to Guava.
      StringBuilder escapedInput = new StringBuilder();
      for (char c : input.toCharArray()) {
        if (c >= 0x20 && c <= 0x7E) {
          escapedInput.append(c);
        } else {
          escapedInput.append(String.format("\\u%04x", (int) c));

      for (int i = start; i < end; i++) {
        result = 31 * result + Bytes.hashCode(array[i]);
      }
      return result;
    }

    @Override
    public String toString() {
      StringBuilder builder = new StringBuilder(size() * 5);
      builder.append('[').append(array[start]);
      for (int i = start + 1; i < end; i++) {
        builder.append(", ").append(array[i]);
      }

    assertThat(ArbitraryInstances.get(StringBuilder.class).toString()).isEmpty();
    assertThat(ArbitraryInstances.get(StringBuffer.class).toString()).isEmpty();
    assertFreshInstanceReturned(
        ArrayList.class,
        HashMap.class,
        Appendable.class,
        StringBuilder.class,
        StringBuffer.class,
        Throwable.class,
        Exception.class);

    Files.copy(i18nFile, out);
    assertEquals(I18N, out.toString("UTF-8"));
  }

  public void testCopyToAppendable() throws IOException {
    File i18nFile = getTestFile("i18n.txt");
    StringBuilder sb = new StringBuilder();
    Files.copy(i18nFile, UTF_8, sb);
    assertEquals(I18N, sb.toString());
  }

  public void testCopyFile() throws IOException {
    File i18nFile = getTestFile("i18n.txt");

apply(int); public final CharSequence subSequence(int, int); public final StringBuilder append(Object); public final StringBuilder append(String); public final StringBuilder append(int); private StringBuilder append(char); public final String toString(); public final String mkString(); private void StringBuilder(StringBuilder); private void StringBuilder(String); public void StringBuilder(); } scala/collection/mutable/StringBuilder$.class package scala.collection.mutable; public final synchronized class...