Populate a combobox from an array list populated from an SQL statment - eclipse

Question

I am trying to populate a ComboBox with a list that is populated by a SQL statement.
I tried this:
public void buildData(){
ObservableList<ComboBox> data = FXCollections.observableArrayList();
Connection conn = db.makeConnection();
try{
String SQL = "Select Feature from FeaturesTable Order By Feature";
ResultSet rs = conn.createStatement().executeQuery(SQL);
while(rs.next()){
ComboBox cb = new ComboBox();
cb.featureCombo.set(rs.getString("Feature"));
featureCombo.add(cb);
}
featureCombo.setItems(data);
}
catch(Exception e){
e.printStackTrace();
System.out.println("Error on Building Data");
}
}
I'm getting an error under cb.featureCombo.set of "featureCombo cannot be resolved or is not a field" but featureCombo exists as:
#FXML
private ObservableList<ComboBox> featureCombo;
and then another error under featureCombo.setItems(data); probably because of the same problem.
I'm not set on this method if someone has a better way to do this.

Answer 1

If you desire a ComboBox named featureCombo, you are going to have to declare it as a ComboBox and not as private ObservableList<ComboBox> featureCombo; which is making an ObservableList
Something like
#FXML
ComboBox<String> featureCombo;
Then in your method, you need to make a list of String to populate the ComboBox (you currently have a list of ComboBox)
public void buildData(){
ObservableList<String> data = FXCollections.observableArrayList(); //List of String
Connection conn = db.makeConnection();
try{
String SQL = "Select Feature from FeaturesTable Order By Feature";
ResultSet rs = conn.createStatement().executeQuery(SQL);
while(rs.next()){
data.add(rs.getString("Feature")); //add the String to the list
}
featureCombo.setItems(data); //Set the list of String as the data for your combo box
}
catch(Exception e){
e.printStackTrace();
System.out.println("Error on Building Data");
}
}