Midterm Exam - Visual Programming

The BorderLayout manager decomposes the frame into five regions. Give the names of these regions: North, West, Center, East, South.

In FlowLayout manager, components are placed: a) From top-to-bottom, left-to-right order. b) From bottom-to-top, right-to-left order. c) Random order. d) None of the above.

• From top-to-bottom, left-to-right order.

• From bottom-to-top, right-to-left order.

• Random order.

• None of the above.

We can access the content pane by calling the frame’s ____________method.

• getPane( )

• getAccessPane( )

• accessPane( )

• getContentPane( )

A ____________object allows the user to enter multiple lines of text.

• JLabel

• JTextArea

• JTextField

• JScrollPane

Which method can change the text in a Label called L1?

• L1.changeText( )

• L1.putText( )

• L1.setText( )

• L1.writeText( )

Which is the container that doesn't contain title bar and MenuBars but it can have other components like buttons, textfields etc?

• Panel

• Frame

• Menu

• Window

The ____ method is used to specify the layout of a container.

• useLayout

• putLayout

• drawLayout

• setLayout

Complete the following code to realize the frame as designed and explained above.

Make the necessary changes to the Frame declaration (header) to be able to handle the events produced by clicking on the button ‘Convert’.

Give the statement(s) that should be added to your code to register your frame as an action listener of the button ‘Convert’.