title: How can I get all cell value of specific column
body: <p><a href="https://i.stack.imgur.com/UkUHt.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/UkUHt.png" alt="i am getting values in date picker.similarly how to get values in Itemc[1001] and get saved to a String object like what i have done in date picker"></a></p>
  
  <pre><code>@FXML
  private DatePicker dp;
  
  String  datepicker=dp.getValue().format(DateTimeFormatter.ISO_DATE);       
  System.out.println("date is"+datepicker);
  </code></pre>
  
  <p>My tableview has user input values for eg.Itemc has value 1001. And all i need is to get values in the column and add that value into a String object.Above code is a sample code for date picker and am getting date entered by user at String object datepicker.Similary i should get values in tableview column.</p>