code: public static <O extends Object> void noNullElements(O[] arr)  {
  		if(!validation) return;
  		notNull(arr);
  		for(int i=0; i<arr.length; i++){
  			try{
  				notNull(arr[i]);
  			} catch(ParameterException e1){
  				throw new ParameterException(ErrorCode.NULLELEMENTS);
  			}
  		}
  	}
docs: Checks if the given array contains <code>null</code> values.
  @param arr The array to validate.
  @throws ParameterException if the given array contains any <code>null</code> values.