code: public static char min(final char a, final char b, final char c) {
          final char m = (a <= b) ? a : b;
  
          return (m <= c) ? m : c;
      }
docs: <p>
  Gets the minimum of three <code>char</code> values.
  </p>
  
  @param a
  @param b
  @param c
  @return