CSL203 OOP Lab Continuous Assessment Viva Cycle5

In the Java Event Delegation Model, what is the role of the event source?

• Listens for events

• Fires events

• Handles events

• Processes events

In Java, which method is invoked when an action event occurs?

• doAction()

• actionPerformed()

• onEvent()

• handleAction()

What is the purpose of the addActionListener method in Java event handling?

• To remove an action listener

• To add an action event

• To register an action listener for a component

• To handle keyboard events

When using setBounds for a component in Java Swing, what parameters does it typically take?

• setBounds(x, y, width)

• setBounds(x, y, width, height)

• setBounds(width, height, x, y)

• setBounds(x, y, height, width)

What is the purpose of setLayout(null) in Java Swing?

• It removes all components from the container.

• It sets the default layout manager for the container.

• It enables absolute positioning of components using setBounds.

• It aligns components in a flow layout.

Which method is used to clear the text content of a JTextField?

• clearText()

• resetText()

• setText("")

• clear()

If you want to use components like JLabel and JButton, which package would you import?

• java.awt

• java.awt.event

• javax.swing

• java.swing.event

What is the default layout manager of JFrame?

• FlowLayout

• BorderLayout

• GridLayout

• BoxLayout

What does the mouseDragged method of MouseMotionListener indicate?

• Mouse is moved over a component

• Mouse button is released

• Mouse button is pressed and moved

• Mouse exits a component

What does the executeQuery method of the Statement class return?

• A boolean value

• An int representing the update count

• A ResultSet object

• A Connection object