code: public static Character toCharacterObject(char ch) {
          if (ch < CHAR_ARRAY.length) {
              return CHAR_ARRAY[ch];
          }
          return new Character(ch);
      }
docs: <p>Converts the character to a Character.</p>
  
  <p>For ASCII 7 bit characters, this uses a cache that will return the
  same Character object each time.</p>
  
  <pre>
  CharUtils.toCharacterObject(' ')  = ' '
  CharUtils.toCharacterObject('A')  = 'A'
  </pre>
  
  @param ch  the character to convert
  @return a Character of the specified character