Name a Swing component that can act as a standalone GUI window. What method must be implemented by ActionListeners? Suppose F is a JFrame. Write a code to get the content pane from F and set its layout manager to BorderLayout. Name the 5 positions of a BorderLayout. (T/F) You can write a class that extends JFrame. (T/F) A GUI component can implement multiple interfaces in Java. Write a line of code that will place a button called "myButton" on the NORTH position of a panel called "buttonPanel". In the coordinate system used by Swing, what comer of a component is position (0, 0)? What layout manager can be used to produce a grid of components of the same size