31. Name three Component subclasses that support painting.
The Canvas, Frame, Panel, and Applet classes support painting.
32. What value does readLine() return when it has reached the end of a file?
The readLine() method returns null when it has reached the end of a file.
33. What is the immediate superclass of the Dialog class?
34. What is clipping?
Clipping is the process of confining paint operations to a limited area or shape.
35. What is a native method?
A native method is a method that is implemented in a language other than Java.
36. Can a for statement loop indefinitely?
Yes, a for statement can loop indefinitely. For example, consider the following: