Method repeat

src/main/java/com/rtg/util/StringUtils.java:98–105

Return a string consisting of the specified character, repeated. @param theChar the character to repeat @param length number of repetitions @return the string @exception IllegalArgumentException if length is negative.

(char theChar, final int length)

   * @exception IllegalArgumentException if <code>length</code> is negative.
   */
  public static String repeat(char theChar, final int length) {
    if (length < 0) {
      throw new IllegalArgumentException("bad length");
    }
    final char[] buf = new char[length];
    Arrays.fill(buf, theChar);
    return new String(buf);
  }

  /**
   * Faster implementation of string splitting on a single character delimiter.