Fixed the periodic update

src/main/java/net/metaunix/App.java

@@ -37,11 +37,6 @@ public class App extends Application {
         stage.show();
     }
 
-    @Override
-    public void stop() {
-        HomeController.ust.cancel();
-    }
-
     public static void main(String[] args) {
         launch();
     }

src/main/java/net/metaunix/SysInfo.java

@@ -2,6 +2,8 @@ package net.metaunix;
 
 public class SysInfo {
 
+    public static String osString = "N/a";
+
     public static String javaVersion() {
         return System.getProperty("java.version");
     }

src/main/java/net/metaunix/controllers/HomeController.java

@@ -2,25 +2,29 @@ package net.metaunix.controllers;
 
 import javafx.fxml.FXML;
 import javafx.scene.control.Label;
-import oshi.SystemInfo;
-import oshi.software.os.OperatingSystem;
+import javafx.util.Duration;
 
-import net.metaunix.tasks.UpdateSystemTask;
+
+import net.metaunix.SysInfo;
+import net.metaunix.services.UpdateSystemInfoService;
 
 public class HomeController {
 
-  public static UpdateSystemTask ust = new UpdateSystemTask();
-
   @FXML
   private Label osInfo;
 
   @FXML
   public void initialize() {
-    SystemInfo si = new SystemInfo();
-    OperatingSystem os = si.getOperatingSystem();
-    osInfo.setText(String.valueOf(os));
+    UpdateSystemInfoService usis = new UpdateSystemInfoService();
+    usis.setOnSucceeded((e) -> {
+      updateLabels();
+    });
+    usis.setPeriod(Duration.seconds(3));
+    usis.start();
+  }
 
-    new Thread(this.ust).start();
+  private void updateLabels() {
+    osInfo.setText(SysInfo.osString);
   }
 
 }

src/main/java/net/metaunix/services/UpdateSystemInfoService.java

@@ -0,0 +1,30 @@
+package net.metaunix.services;
+
+import javafx.concurrent.ScheduledService;
+import javafx.concurrent.Task;
+import oshi.SystemInfo;
+import oshi.software.os.OperatingSystem;
+
+import net.metaunix.SysInfo;
+
+public class UpdateSystemInfoService extends ScheduledService<Void> {
+
+  private static int counter = 0;
+
+  @Override
+  protected Task<Void> createTask() {
+    return new Task<>() {
+
+      @Override
+      protected Void call() throws Exception {
+        UpdateSystemInfoService.counter++;
+        SystemInfo si = new SystemInfo();
+        OperatingSystem os = si.getOperatingSystem();
+        SysInfo.osString = String.valueOf(UpdateSystemInfoService.counter) + " " + String.valueOf(os);
+        return null;
+      }
+
+    };
+  }
+
+}

src/main/java/net/metaunix/tasks/UpdateSystemTask.java

@@ -1,16 +0,0 @@
-package net.metaunix.tasks;
-
-import java.lang.Thread;
-import javafx.concurrent.Task;
-
-public class UpdateSystemTask extends Task<Void> {
-
-  @Override
-  protected Void call() throws Exception {
-    while (true) {
-      System.out.println("Test");
-      Thread.sleep(2000);
-    }
-  }
-
-}