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MyProgrammingLab - Chapter 12: A First Look at GUI Applications Questions and Answers Graded A+ A JFrame is the main container for creating a window in a Java Swing application. True The JPanel component is used to group other components together in a GUI. True A JButton generates an event when clicked by the user. True The setVisible(true) method must be called to display a JFrame. True A JLabel can display both text and an image. True 2 A JTextField allows users t...