save locally and load local save works

demo/src/main/java/ch/hepia/FXMLController.java

@@ -40,6 +40,9 @@ public class FXMLController {
     @FXML
     private Button btnSave;
 
+    @FXML
+    private Button btnLoad;
+
     @FXML
     private Button btnDone;
 
@@ -74,4 +77,14 @@ public class FXMLController {
 
         this.contacts.append(c);
     }
+
+    @FXML
+    protected void saveLocally() {
+        Serializer.serialize(contacts);
+    }
+
+    @FXML
+    protected void loadLocalSave() {
+        contacts = Serializer.deserialize();
+    }
 }

demo/src/main/resources/ch/hepia/main.fxml

@@ -91,10 +91,11 @@
             <TextField fx:id="mailBox" layoutX="98.0" layoutY="235.0" />
             <TextField fx:id="socialBox" layoutX="98.0" layoutY="282.0" />
             <Button layoutX="398.0" layoutY="107.0" mnemonicParsing="false" onAction="#doneEditing" text="Done" />
-            <Button layoutX="400.0" layoutY="160.0" mnemonicParsing="false" text="Save" />
+            <Button fx:id="btnSave" layoutX="400.0" layoutY="160.0" mnemonicParsing="false" onAction="#saveLocally" text="Save" />
             <TextField layoutX="641.0" layoutY="36.0" />
             <Button layoutX="826.0" layoutY="36.0" mnemonicParsing="false" text="Search" />
             <Button layoutX="745.0" layoutY="534.0" mnemonicParsing="false" onAction="#printCLI" text="PrintCLI" />
+            <Button fx:id="btnLoad" layoutX="400.0" layoutY="223.0" mnemonicParsing="false" onAction="#loadLocalSave" text="Load" />
          </children>
     </AnchorPane>
   </children>