Short Answers (Chapter 11)

What is event-driven program?

Answer: An event driven program is a program that operate in a GUI environment such as the clicking of a button.

What is the purpose of the Application classs launch method?

Answer:

What is the purpose of the Application classs abstract start method?

What purpose does layout containers serve?

What package are the Label, Button, and TextField classes in?

What two classes do you use to display an image?

What is an images aspect ratio? How do you make sure it is preserved when you resize an image?

Which layout container arranges controls in a horizontal row? Which layout container arranges controls in a vertical row? Which layout container arranges controls in rows and columns?

How do you retrieve the text that user has entered into a TextField control?

Which layout container divides a container into regions known as top, bottom, left, center, and right?