Workshop

The quiz questions are designed to test your knowledge of the material covered in this hour. The answers to the questions follow.

Quiz

1:	If you have five check boxes on a screen, how many of them can be turned on at one time?
A1:	All of them. Check boxes are independent of each other, so any combination of check boxes can be on or off.
2:	If you have five radio buttons on a screen, how many of them can be turned on at one time?
A2:	Only one radio button in a group can be on at a time. Radio buttons represent a situation where the choice is exclusive.
3:	If you want the cursor to immediately appear in an input text, what do you need to do?
A3:	First, set a name for the text field. Then use Selection.setFocus() to place the cursor there.
4:	How do you prevent the user from entering any non-numbers into a text field?
A4:	Set its restrict property to “0123456789”.