What is EventQueue good for? Managing different types of Events. Managing multiple Action Events. Managing the lineup of the audience outside the concert hall Managing potential thread collisions related to the UI. What is the purpose of JFrame.pack()? It packs up all the UI components as small as possible to make it all fit. Use it often. It resizes the JFrame to fit all components that have been added to it. It makes the UI run slower and should be avoided. It compresses the UI so it can be displayed faster. What is the best way to have any thread end? Call stopRun() on your thread. Let the run() method complete. Let the main() method complete. Call interruptThread() on your thread. You have put one UI component item in a BorderLayout's NORTH (page top) region. What happens to your component? The width may change based on available space. The height may change based on available space. It just gets displayed without fuss. Both the width and height may change based on available space.