Imagine developing a JavaFX application where UI responsiveness is critical. How might you ensure that long-running tasks (like database operations) do not freeze the UI?

  • Disable the UI during long-running tasks and re-enable it after the task completes.
  • Increase the JavaFX UI thread priority to give more resources to UI updates during long-running tasks.
  • Use Java's Thread.sleep() method to pause the UI updates temporarily while the task runs.
  • Use JavaFX Task and Platform.runLater() to run long tasks on background threads and update the UI on the JavaFX application thread.
In JavaFX, long-running tasks like database operations should be executed on background threads to avoid freezing the UI. The recommended approach is to use the Task class and Platform.runLater() to safely update the UI from background threads. The other options are not suitable for ensuring UI responsiveness during long tasks.
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