1. AP Computer Science DYRT Quiz 15.06- 08
Take out a piece of paper and PEN.
The quiz starts TWO minutes after the tardy bell rings.
You will have 30 seconds per question.

2. Title the quiz as shown below The quiz starts in ONE minute.
Name
Period
Date
Quiz 1. 2. 3. 4. 5. 6. 7. 8. 9
10.

3. Question 01 Which of the following are class interactions?
Encapsulation, inheritance, polymorphism
Encapsulation, inheritance, composition
Inheritance, composition, polymorphism
Utility, Inheritance, Composition

4. Question 02 What is a good example of a utility class? Math ArrayList
String
Actor

5. Question 03 An “is-a” relationship between two classes means
composition interaction.
utility interaction.
inheritance interaction.
none of the above.

6. Question 04 A class, which provides tools to be used by another
class, such as the Math class, means
composition interaction.
utility interaction.
inheritance interaction.
none of the above.

7. Question 05 A unit class is a class that contains the attributes
and methods of a
superclass.
subclass.
single practical unit.
package of classes.

8. Question 06 Classic examples of unit class are Student. Patient.
Employee.
all of the above.

9. Question 07 The secret of managing complex program, or programs is to
create a top-down chart.
combine smaller, similar problem into one unit.
divide the problem into manageable chunks.
create many utility classes.

10. Question 08 The three types of errors are compile, runtime and logic.
computer, programmer and user.
arrayOutOfBounds, IO and arithmeticFormat.
statement, method and class.

11. Question 09 Logic errors are automatically caught by the compiler.
require thorough test data.
are only warnings about small problems.
prevent program compiling.

12. Question 10 The concept of using certain programming features
without concern about the implementation of such
features is
program design.
class interaction.
information hiding.
debugging.