When this is the argument passed to the JFrame class's setDefaultCloseOperation$()$ method, the application is hidden, but not closed.Select one:a$.$JFrame.HIDE$\_$NOT$\_$CLOSEb.HIDE$\_$ON$\_$CLOSEc.JFrame. HIDE$\_$ON$\_$CLOSEd.JFrame.EXIT$\_$ON$\_$CLOSE