Consider the following hierarchy of classes, abstract classses, and interfaces. Each box in this figure describes...

   

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Consider the following hierarchy of classes, abstract classses, and interfaces. Each box in this figure describes the public methods defined in that class. JTextField } <<interface>>>> Scrollable <<abstract-> JTextComponent setText() (...) addActionListener() (...) JTextArea getLineCount() (...) Object toString() (...) hashCode() {...} <<abstract>> Component addMouseListener() () // WHAT CODE GOES HERE? Container abstract JComponent getHeight() (...) abstract-> AbstractButton addActionListener() {...} JButton isDefaultButton (...) getAccessibleContext() {...} public void registerAll( Component[] foo, MouseListener someListener) { Serializable <<interface>> Accessible getAccessible Context(); Complete the body of the following method that should register a MouseListener object to each Component in the parameter array. JToggle Button getAccessibleContext() (...) JRadioButton getAccessibleContext() (...) Consider the following hierarchy of classes, abstract classses, and interfaces. Each box in this figure describes the public methods defined in that class. JTextField } interface Scrollable <abstract>>> JTextComponent setText)) (...) JTextArea addActionListener() {...} getLine Count() (...) Object toString() [...) hashCode() (...) // WHAT CODE GOES HERE? abstract Component addMouseListener() (...) Container <<abstract>> JComponent getHeight (...) <abstract>>> AbstractButton addActionListener() {...} JButton isDefaultButton() {). getAccessibleContext() (...) <<interface>> Serializable <<interface>> Accessible getAccessibleContext: JToggleButton getAccessibleContext() (...) Complete the body of the following method that should set the text of each JTextComponent in the given parameter array of JComponenets to be "FOOBAR"; public void setToFoobar (JComponent[] foo) { JRadioButton getAccessibleContext() {...} Consider the following hierarchy of classes, abstract classses, and interfaces. Each box in this figure describes the public methods defined in that class. JTextField } interface Scrollable <sabstract-> JTextComponent setText() (...) JTextArea addActionListener() (---) getLine Count() (...) Object toString(...) hashCode() (...) // WHAT CODE GOES HERE? <abstract>>> Component addMouseListener() (...) Container <<abstract>> JComponent getHeight() (...) abstract>>> AbstractButton addActionListener() {...) JButton isDefaultButton() (...) getAccessibleContext() (...) interface>>> Serializable <<interface>> Accessible getAccessible Context: JToggleButton getAccessibleContext() {...} Complete the body of the following method that should return the height of the tallest JComponent in the given parameter array. public int getTallest (JComponent[] foo) { JRadioButton getAccessibleContext() {...} Consider the following hierarchy of classes, abstract classes, and interfaces. Each box in this figure describes the public methods defined in that class. JTextField } <<interface>> Scrollable <abstract-> JTextComponent setText() (...) JTextArea addActionListener() {...} getLineCount)) (...) Object toString() () hashCode() (...) // WHAT CODE GOES HERE? abstract-> Component addMouseListener() (...) Container abstract JComponent getHeight (...) abstract-> AbstractButton addActionListener() {-} JButton isDefaultButton (...) getAccessibleContext() (...) interface Serializable interface Accessible getAccessibleContext(); JToggle Button getAccessibleContext() (...) 2 Complete the body of the following method that should return true if-and-only-if there is at least one JButton in the given parameter array that is a default button (ie, whose isDefaultButton method returns true). public boolean areAnyDefault (AbstractButton[] foo) { JRadioButton getAccessibleContext() {...} Consider the following hierarchy of classes, abstract classses, and interfaces. Each box in this figure describes the public methods defined in that class. JTextField } <<interface>>>> Scrollable <<abstract-> JTextComponent setText() (...) addActionListener() (...) JTextArea getLineCount() (...) Object toString() (...) hashCode() {...} <<abstract>> Component addMouseListener() () // WHAT CODE GOES HERE? Container abstract JComponent getHeight() (...) abstract-> AbstractButton addActionListener() {...} JButton isDefaultButton (...) getAccessibleContext() {...} public void registerAll( Component[] foo, MouseListener someListener) { Serializable <<interface>> Accessible getAccessible Context(); Complete the body of the following method that should register a MouseListener object to each Component in the parameter array. JToggle Button getAccessibleContext() (...) JRadioButton getAccessibleContext() (...) Consider the following hierarchy of classes, abstract classses, and interfaces. Each box in this figure describes the public methods defined in that class. JTextField } interface Scrollable <abstract>>> JTextComponent setText)) (...) JTextArea addActionListener() {...} getLine Count() (...) Object toString() [...) hashCode() (...) // WHAT CODE GOES HERE? abstract Component addMouseListener() (...) Container <<abstract>> JComponent getHeight (...) <abstract>>> AbstractButton addActionListener() {...} JButton isDefaultButton() {). getAccessibleContext() (...) <<interface>> Serializable <<interface>> Accessible getAccessibleContext: JToggleButton getAccessibleContext() (...) Complete the body of the following method that should set the text of each JTextComponent in the given parameter array of JComponenets to be "FOOBAR"; public void setToFoobar (JComponent[] foo) { JRadioButton getAccessibleContext() {...} Consider the following hierarchy of classes, abstract classses, and interfaces. Each box in this figure describes the public methods defined in that class. JTextField } interface Scrollable <sabstract-> JTextComponent setText() (...) JTextArea addActionListener() (---) getLine Count() (...) Object toString(...) hashCode() (...) // WHAT CODE GOES HERE? <abstract>>> Component addMouseListener() (...) Container <<abstract>> JComponent getHeight() (...) abstract>>> AbstractButton addActionListener() {...) JButton isDefaultButton() (...) getAccessibleContext() (...) interface>>> Serializable <<interface>> Accessible getAccessible Context: JToggleButton getAccessibleContext() {...} Complete the body of the following method that should return the height of the tallest JComponent in the given parameter array. public int getTallest (JComponent[] foo) { JRadioButton getAccessibleContext() {...} Consider the following hierarchy of classes, abstract classes, and interfaces. Each box in this figure describes the public methods defined in that class. JTextField } <<interface>> Scrollable <abstract-> JTextComponent setText() (...) JTextArea addActionListener() {...} getLineCount)) (...) Object toString() () hashCode() (...) // WHAT CODE GOES HERE? abstract-> Component addMouseListener() (...) Container abstract JComponent getHeight (...) abstract-> AbstractButton addActionListener() {-} JButton isDefaultButton (...) getAccessibleContext() (...) interface Serializable interface Accessible getAccessibleContext(); JToggle Button getAccessibleContext() (...) 2 Complete the body of the following method that should return true if-and-only-if there is at least one JButton in the given parameter array that is a default button (ie, whose isDefaultButton method returns true). public boolean areAnyDefault (AbstractButton[] foo) { JRadioButton getAccessibleContext() {...}

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Step 11 Answer Option 6 is not a valid option as it would ... View the full answer