Java-Swing

Which package contains Java Swing classes?

• java.swing
  

• javax.swing

• java.awt.swing

• java.swing.awt

In Swing, which method is used to make a frame visible?

• setSize()

• show()

• setVisible(true)

• display()

What is the default layout manager for JFrame?

• FlowLayout

• GridLayout

• BorderLayout

• BoxLayout

What is the main difference between AWT and Swing?

• Swing is heavyweight, AWT is lightweight

• Swing is faster than AWT

• AWT is more advanced than Swing

• Swing components are platform-independent

How can you handle events in Java Swing?

• By implementing the ActionListener interface

• By using threads

• By creating a separate class

• By using the Runnable interface

Which event occurs when a button is clicked?

• MouseEvent

• ActionEvent

• WindowEvent

• KeyEvent

Which method is used to register an event listener for a button?

• addListener()

• registerActionListener()

• addActionListener()

• attachListener()

What is the difference between JTextField and JTextArea?

• JTextArea cannot be edited

• JTextField is a part of AWT, JTextArea is part of Swing

• There is no difference

• JTextField can only have one line of text, JTextArea can have multiple lines

What is the role of setBounds() method in Swing?

• It is used to set the size and position of a component

• It adds a component to the frame

• It removes a component from the frame

• It refreshes the frame

Which method in ActionListener must be overridden?

• actionPerformed()

• handleAction()

• onClick()

• actionEvent()