Quiz 10


With a piece of paper, write down your name and answers to the following questions.

  1. What method do you use to make a text field, JTextField, read-only?

    1. setChangeable(false)
    2. setEditable(false)
    3. setReadOnly(true)
    4. setUneditable(true)
  2. Which of the following is the name of a small box that contains text and appears when the mouse is hovered over a component.

    1. mnemonic
    2. pop-up help
    3. instance message
    4. tool tip
  3. Describe what the following program does.

    1. What is displayed in the window?

      The window it titled as “Quiz #10 Question #4”. The window contains a button with text “Button” and a text area.

    2. What happens when the button is pressed?

      When the button is clicked, a new line of text, “Hello”, is appended to the text area.