code: private boolean isOneOf(char ch, final char[] charray) {
  		boolean result = false;
  		for (int i = 0; i < charray.length; i++) {
  			if (ch == charray[i]) {
  				result = true;
  				break;
  			}
  		}
  		return result;
  	}
docs: Tests if the given character is present in the array of characters.
  
  @param ch the character to test for presense in the array of characters
  @param charray the array of characters to test against
  
  @return <tt>true</tt> if the character is present in the array of characters, <tt>false</tt> otherwise.