javacaps mock 2 Q:28

[Haining Mu]

28. Select all correct answers? 
A) Frame's default layout manager is BorderLayout 
B) CheckBox, List are examples of non visual components 
C) Applets are used to draw custom drawings 
D) Canvas has no default behavior or appearance

Answer: AD
Why D is correct? I didn't see any book or API describe about Canvas.

[Thomas Paul]

Really? Did you try the Sun site?

http://java.sun.com/j2se/1.3/docs/api/java/awt/Canvas.html

[Haining Mu]

Originally posted by Thomas Paul:
Really? Did you try the Sun site?
http://java.sun.com/j2se/1.3/docs/api/java/awt/Canvas.html

well, I did look at those place and also tried some code. I thought the DEFAULT of Canvas is a blank rect. area which has the same color as its container.