Self-Assessment Exercises
Chapter 7:
Object-Oriented Programming and Classes
1.
When a class begins to perform more than one task, it is time to ______.
a.
add additional comment statements
b.
add additional methods
c.
change it into a final class
d.
refactor it into two or more classes
2.
In a Java program, each source file can contain ________.
a.
only one class
b.
several classes, but only one public class
c.
several classes, but only one non-public class
d.
several classes, both public and non-public
3.
Method ________ is when you create more than one version of the same method, but with different ________ lists.
a.
copying, declaration
b.
duplication, statement
c.
execution, signature
d.
overloading, parameter
4.
What does the following statement display?
System.out.print(“\table”);
a.
a tab followed by
able
b.
\table
c.
Able
d.
ABLE
5.
________ methods are the means by which classes can communicate with each other and interact with each other.
a.
Abstract
b.
Concrete
c.
Interface
d.
Public
