Edit: selected_id + instanceof

tp/src/main/java/com/example/tpfx/HelloController.java

@@ -251,11 +251,11 @@ public class HelloController {
         contactArray.get(selected_id).setEmail(emails);
         contactArray.get(selected_id).setSocial(social);
         contactArray.get(selected_id).setJob(job);
-        if(contactArray.get(LstCt.getSelectionModel().getSelectedIndex()) instanceof Family){
+        if(contactArray.get(selected_id) instanceof Family){
             Family fam = (Family)contactArray.get(selected_id);
             fam.setRelation(other);
             contactArray.set(selected_id, fam);
-        } else if(contactArray.get(LstCt.getSelectionModel().getSelectedIndex()).getType().equals("Professional")){
+        } else if(contactArray.get(selected_id) instanceof Professional){
             Professional pro = (Professional)contactArray.get(selected_id);
             pro.setWork(other);
             contactArray.set(selected_id, pro);