
CC 102-Computer Programming I
Authored by John Marpa
Computers
Professional Development
Used 3+ times

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18 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 2 pts
1. Which of the following declares an array of integers?
A. int array;
B. int[] array;
C. int array[];
D. Both B and C
2.
MULTIPLE CHOICE QUESTION
10 sec • 2 pts
2. What is the index of the first element in an array?
A. -1
B. 0
C. 1
D. None of the above
3.
MULTIPLE CHOICE QUESTION
10 sec • 2 pts
How can you access the length of an array arr?
A. arr.size
B. arr.length
C. arr.length()
D. arr.getSize()
4.
MULTIPLE CHOICE QUESTION
10 sec • 2 pts
What will happen if you try to access an array index that is out of bounds?
A. The program will run normally.
B. An ArrayIndexOutOfBoundsException will be thrown.
C. The program will skip that index.
D. None of the above
5.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
What will this code print?
int[] arr = {10, 20, 30, 40, 50};
System.out.println(arr[2]);
10
20
30
40
6.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
Which of these is a valid for loop to iterate over an array arr?
A. for (int i : arr)
B. for (int i = 0; i < arr.length; i++)
C. for (int i = 0; i <= arr.length; i++)
D. Both A and B
7.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
Given int[] arr = {5, 10, 15};,
what does System.out.println(arr.length); output?
2
3
4
5
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