What is a difference between instance variables and parameters?

Instance variables are defined in a class, parameters in signatures.

If a code segment was just refactored, then it...

Is now easier to read or use., Should be framed and cherished for all CSA students to admire.

Which of the following is the best definition of a scope in programming?

Where something can be accessed.

Which of the following is the best definition of a data structure?

A structure for processing and storing data.

Which of the following is the best definition of a mutator method?

A method for changing the value of an instance variable.

Which of the following scenarios use encapsulation?

Private instance variables are accessed through public methods.

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AP CSA Review — Vocab, Concepts, and Examples

19 termsStudBud Administration6 plays

A somewhat difficult Quiz to review for the AP Computer Science A course. Good luck! (I am not affiliated with nor endorsed by College Board. AP is a registered trademark of College Board.) #apcomputersciencea #apcompscia #apcomputerscience #apexam #apprep #highschool #grade_10 #grade_11 #grade_12 #coding #science #computerscience #compsci #computerprogramming #stem #math

Flashcards19 cardsFPractice quizPHost liveL

Questions 19

Answers

1
What would the following code segment output to the console?
Due to an index going out of bounds, nothing is printed.
"crafting table"
"flint and steel"
"jeep grand cherokee"
2
Which of the following concepts is best demonstrated in the following code segment?
Overloading
Object-Oriented Programming
Overriding
Decomposition
3
What is a difference between instance variables and parameters?
Instance variables' values are primitives, parameters' are objects.
Instance variables' values are static, parameters' are private or public.
Instance variables are defined in a class, parameters in signatures.
Instance variables can be accessed from other classes, parameters can not.
4
What would the following code segment output to the console?
Due to an infinite loop, nothing is printed.
"ahhhhhhhhhhhhh"
"ahhhhhhhh"
"ahhhhh"
5
If a code segment has a large amount of redundant code, then it...
Can be referred to as pseudocode.
Is using two-way selection statements.
Is not very efficient.
Should be framed and cherished for all CSA students to admire.
6
If a code segment was just refactored, then it...
Is now easier to read or use.
Should be framed and cherished for all CSA students to admire.
Was overriden with inheritance.
Used to do something different.
7
Which of the following is the best definition of a scope in programming?
Where something can be modified.
Where and when a value is guaranteed to be accurate.
Where something can be accessed.
Where a value can be reset from.
8
Which of the following is the best definition of a data structure?
A comma-separated list of values inside curly braces.
A structure for processing and storing data.
The best definition of a data structure.
A series of elements that can be accessed in an order, one at a time.
9
Which of the following concepts is best demonstrated in the following code segment?
Concatenation
Pseudocode
Decomposition
Call by Value
10
Which of the following is the best definition of a mutator method?
A method for changing the value of an instance variable.
A method for creating a new instance variable.
A method for resetting the value of an instance variable.
A method for returning the value of an instance variable.
11
Which of the following are Java escape sequences?
\"
\n
\-
\\
\
\j
12
Which of the following code segments allow this function to work properly?
Empty choice
Empty choice
Empty choice
Empty choice
13
(false || true) && ((!false || false) && !false) && (true && !(!true || false))
False
True
14
Which of the following would compile without error?
Empty choice
Empty choice
Empty choice
Empty choice
15
Which of the following are Java compound assignment operators?
/=
==
!=
>=
+=
-=
16
What is the error thrown by this code segment?
NullPointerException
ConcurrentModificationException
IndexOutOfBoundsException
ClassCastException
17
Which of the following scenarios use encapsulation?
A method is called without creating an object of the class.
A programming language becomes object-oriented at runtime.
Methods are written in a subclass of a subclass.
Private instance variables are accessed through public methods.
18
Which of the following would compile without error?
Empty choice
Empty choice
Empty choice
Empty choice
19
What would the following code segment output to the console?
"1 3 4 8 16 32 64 "
"1 3 4 7 15 30 60 "
"1 3 1 1 1 1 1 "
"1 3 1 3 6 10 15 "

AP CSA Review — Vocab, Concepts, and Examples Flashcards | StudBud

AP CSA Review — Vocab, Concepts, and Examples

19 termsStudBud Administration6 plays

Flashcards19 cardsFPractice quizPHost liveL

Questions 19

Answers

1
What would the following code segment output to the console?
Due to an index going out of bounds, nothing is printed.
"crafting table"
"flint and steel"
"jeep grand cherokee"
2
Which of the following concepts is best demonstrated in the following code segment?
Overloading
Object-Oriented Programming
Overriding
Decomposition
3
What is a difference between instance variables and parameters?
Instance variables' values are primitives, parameters' are objects.
Instance variables' values are static, parameters' are private or public.
Instance variables are defined in a class, parameters in signatures.
Instance variables can be accessed from other classes, parameters can not.
4
What would the following code segment output to the console?
Due to an infinite loop, nothing is printed.
"ahhhhhhhhhhhhh"
"ahhhhhhhh"
"ahhhhh"
5
If a code segment has a large amount of redundant code, then it...
Can be referred to as pseudocode.
Is using two-way selection statements.
Is not very efficient.
Should be framed and cherished for all CSA students to admire.
6
If a code segment was just refactored, then it...
Is now easier to read or use.
Should be framed and cherished for all CSA students to admire.
Was overriden with inheritance.
Used to do something different.
7
Which of the following is the best definition of a scope in programming?
Where something can be modified.
Where and when a value is guaranteed to be accurate.
Where something can be accessed.
Where a value can be reset from.
8
Which of the following is the best definition of a data structure?
A comma-separated list of values inside curly braces.
A structure for processing and storing data.
The best definition of a data structure.
A series of elements that can be accessed in an order, one at a time.
9
Which of the following concepts is best demonstrated in the following code segment?
Concatenation
Pseudocode
Decomposition
Call by Value
10
Which of the following is the best definition of a mutator method?
A method for changing the value of an instance variable.
A method for creating a new instance variable.
A method for resetting the value of an instance variable.
A method for returning the value of an instance variable.
11
Which of the following are Java escape sequences?
\"
\n
\-
\\
\
\j
12
Which of the following code segments allow this function to work properly?
Empty choice
Empty choice
Empty choice
Empty choice
13
(false || true) && ((!false || false) && !false) && (true && !(!true || false))
False
True
14
Which of the following would compile without error?
Empty choice
Empty choice
Empty choice
Empty choice
15
Which of the following are Java compound assignment operators?
/=
==
!=
>=
+=
-=
16
What is the error thrown by this code segment?
NullPointerException
ConcurrentModificationException
IndexOutOfBoundsException
ClassCastException
17
Which of the following scenarios use encapsulation?
A method is called without creating an object of the class.
A programming language becomes object-oriented at runtime.
Methods are written in a subclass of a subclass.
Private instance variables are accessed through public methods.
18
Which of the following would compile without error?
Empty choice
Empty choice
Empty choice
Empty choice
19
What would the following code segment output to the console?
"1 3 4 8 16 32 64 "
"1 3 4 7 15 30 60 "
"1 3 1 1 1 1 1 "
"1 3 1 3 6 10 15 "