Mastering Java: The Ultimate Quiz for 'Thinking in Java'

Which component allows you to type or insert text in Swing?

1. JLabel

2. JButton

3. JTextField

4. JTextArea

The correct answer is: JTextField

A JLabel is used to display a text or an image and does not allow typing or insertion of text. B: JButton is used to perform a specific action when clicked, such as submitting a form or navigating to a new page. It also does not allow typing or insertion of text. C: JTextField is the correct answer as it allows the user to type and insert text. It is commonly used for user input in forms or search boxes. D: JTextArea is similar to JTextField but allows for a larger amount of text to be entered and displayed. It is commonly used for longer paragraphs of text, rather than short phrases or words.