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ACP - Fall Final Exam

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 
String is not a simple data type.  What is it?
a.
a method
b.
a class
c.
a file
d.
a statement
 

 2. 
length is a method of what class?
a.
Util
b.
String
c.
Math
 

 3. 
What method is contained in the driving class?
a.
the main method
b.
the math method
c.
the util method
d.
the String method
 

 4. 
Programs should use __________________ identifiers.
a.
class
b.
methods
c.
consistent
d.
self-commenting
 

 5. 
Control structures and block structure need to use a __________________ indentation style.
a.
consistent
b.
self-commenting
c.
methods
d.
class
 

 6. 
Specific tasks should be placed in modules called _______________.
a.
self-commenting
b.
methods
c.
consistent
d.
class
 

 7. 
Similar methods accessing the same data should be placed in a __________________.
a.
self-commenting
b.
consistent
c.
methods
d.
class
 

 8. 
Which of the following is true?
a.
A method can be BOTH a void method and a class method.
b.
A method can be BOTH a void method and a return method.
c.
A method can be BOTH a return method and a class method.
d.
A method can be BOTH a return method and a return method.
e.
All of the above
 

 9. 
It is not possible to create large, reliable programs without being very conscious of _________________.
a.
program design
b.
graphics
c.
sound
d.
coloring
 

 10. 
Which one of the following is NOT a trigonometric methods of the Math class.
a.
sin
b.
util
c.
cos
d.
tan
 

 11. 
Was it possible for the designers of Java to anticipate every need for every programmer?
a.
Yes
b.
No
 

 12. 
Graphical output to the monitor requires the use of a _____________________ object.
a.
Graphics
b.
System
c.
out
d.
Util
 

 13. 
According to Object Oriented Design, common methods should be placed in a ________________.
a.
method
b.
class
 

 14. 
Which one is NOT an important rules for using methods with parameters.
a.
The number of parameters in the method call must match the number of parameters in the method heading.
b.
The corresponding actual parameters in the method call must be the same type as the formal parameters in the heading.
c.
The sequence of the actual parameters in the method call must match the sequence of the parameters in the heading.
d.
The actual parameter identifiers in the method call may be the same identifier or a different identifier as the formal parameters in the heading.
e.
The corresponding actual parameters in the class  must be a different type than the formal parameters.
 

 15. 
Can the actual parameter identifiers be the different from as the formal parameter identifiers?
a.
Yes
b.
No
 

 16. 
Can the actual parameter identifiers be the same as the formal parameter identifiers?
a.
Yes
b.
No
 

 17. 
If a method has several parameters, do they all need to be of the same type?
a.
Yes
b.
No
 

 18. 
Does parameter sequence matter?
a.
Yes
b.
No
 

 19. 
All method declarations have an identifier followed by _____________________.
a.
a period
b.
parentheses
c.
quotations
d.
semicolons
 

 20. 
The key difference between creating parameter methods and non-parameter methods is the ___________________________. 
a.
parameter declaration
b.
variable declaration
 

Matching: Match the answers with the matching definition.
 
 
a.
if a variable is only used by one method, it should be declared inside that method as a local variable.
b.
Variables that are declared inside a method or block. 
c.
Variables that are only accessible inside the method or block that they are defined
d.
They are accessible by any method of the class.
e.
Variables that are declared inside a class, but outside any method
f.
Attributes
g.
if a variable is used by 2 or more methods of a class, it should be declared as a class variable.
h.
for the program sequence
 

 21. 

 What is a local variable?
 

 22. 

 Where are local variables accessible?
 

 23. 

 What are class variables?
 

 24. 

 Where are class variables accessible?
 

 25. 

 Class variables are also called what?
 

 26. 

 When should a variable be declared as a local variable?
 

 27. 

 When should a variable be declared as a class variable?
 

 28. 

 What is the driving class responsible for?   
 



 
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