code: public void changeColumnsHeaders(LinkedHashMap<String, String> newColumnValues) throws Exception {
  		for (String oldColumn : newColumnValues.keySet()) {
  			String newColumn = newColumnValues.get(oldColumn);
  			changeColumnHeader(oldColumn, newColumn);
  		}
  
  	}
docs: Change the columns in the HashMap Key to the name of the value
  
  @param newColumnValues
  @throws Exception