
Java Arrays Quiz
Authored by Mukesh Bairwa
Computers
11th Grade

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the general form of a one-dimensional array declaration in Java?
type var-name();
type[] var-name;
type var-name{};
type var-name[];
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you access Java array elements using a for loop?
By using a switch statement
By using a for-each loop
By using a while loop
By using a do-while loop
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the time complexity of accessing Java arrays using a for loop?
O(n^2)
O(log n)
O(n)
O(1)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is an array of objects created in Java?
Using a queue
Using an array of primitive-type data items
Using a linked list
Using a stack
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the output of the Java program given in the implementation example?
Array Size:7
Array Size:4
Array Size:5
Array Size:6
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the auxiliary space complexity of creating an array of objects in Java?
O(n^2)
O(log n)
O(n)
O(1)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How are elements in an array allocated in Java?
Automatically initialized to random values
Automatically initialized to null
Automatically initialized to one
Automatically initialized to zero
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