Week 12 Test Review

Question 1

BorderLayout is the default layout manager for a JFrame’s content pane.

Answer 1

True

Question 2

When the mouse cursor is moved into the bounds of a GUI component, methodmouseOver is called.

Answer 2

False, method mouseEntered is called.

Question 3

A JPanel cannot be added to another JPanel.

Answer 3

False

Question 4

In a BorderLayout, two buttons added to the NORTH region will be placed side by side.

Answer 4

False

Question 5

A maximum of five components can be added to a BorderLayout.

Answer 5

True

Question 6

Inner classes are not allowed to access the members of the enclosing class.

Answer 6

False, Inner classes have access to all members of the enclosing class declaration.

Question 7

A JTextArea’s text is always read-only.

Answer 7

False, JTextAreas are editable by default.

Question 8

Class JTextArea is a direct subclass of a class Component.

Answer 8

False

Question 9

A JPanel is a JComponent.

Answer 9

True

Question 10

A JPanel is a Component.

Answer 10

True

Question 11

A JLabel is a Container.

Answer 11

True

Question 12

A JList is a JPanel.

Answer 12

False

Question 13

An AbstractButton is a JButton.

Answer 13

False, a JButton is an AbstractButton.

Question 14

A JTextField is an Object.

Answer 14

True

Question 15

ButtonGroup is a subclass of JComponent.

Answer 15

False