
Java - Introduction to Arrays
Interactive Video
•
Computers
•
9th Grade
•
Practice Problem
•
Hard
Emalie Eaton
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23 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why are arrays used in programming?
To store multiple values in a single variable
To perform complex mathematical operations
To enhance the speed of the processor
To reduce the usage of memory
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does an array store?
A fixed number of elements of the same type
A variable number of elements of the same type
Different types of elements randomly
A fixed number of elements of different types
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you create a new integer array with five elements?
int scores = new int[5];
int scores[] = new int[5];
int[] scores = new int[5];
int[] scores = new int(5);
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you initialize an array with specific values?
Arrays cannot be initialized with specific values
By specifying values at the time of declaration
Using a for loop to assign values
Using a special method called initialize
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the index of the first element in an array?
1
0
It varies
-1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you access the third element in an array named 'scores'?
scores[3]
scores[2]
scores(2)
scores.get(2)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the default value of an int array element?
1
null
-1
0
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