code: public static Character[] toReferenceType(char[] primArr) {
  	Character[] refArr = new Character[primArr.length];
  	for (int i = 0; i < primArr.length; i++)
  	    refArr[i] = new Character(primArr[i]);
  	return refArr;
      }
docs: convert a primitive array (value type) to Object Array (reference type).
  
  @param primArr value type Array
  @return reference type Array