1. What selection mode should you select if you want the user to select a single item only in a list? 2. You want to provide 20 items in a list for the user to select from. Which component would take up less space, a JList or a JComboBox? 3. What is the difference between an uneditable combo box and an editable combo box? Which one is a combo box by default? 4. Describe how you can store both an image and text in a JLabel component. 5. What is a mnemonic? How does the user use it? 6. What happens when the mnemonic that you assign to a component is a letter that appears in the components text? 7. What is a tool tip? What is its purpose? 8. What do you do to a group of radio button menu items so that only one of them can be selected at a time? 9. When a checked menu item shows a check mark next to it, what happens when the user clicks on it? 10. What fonts does Java guarantee you have? 11. Why would a JSlider component be ideal when you want the user to enter a number, but you want to make sure that the number is within a range? 12. What are the standard GUI looks and feels that are available in Java?