From 0 to 1 Data Structures & Algorithms in Java - The Circular Queue - Tricky But Fast
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Information Technology (IT), Architecture
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University
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Practice Problem
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Hard
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is one advantage of using a circular queue over a linked list?
It has a faster access time.
It is easier to implement.
It can store more elements.
It requires less memory for pointers.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a circular queue, what happens when you increment the index of the last element?
It points to the first element.
It points to the last element again.
It causes an error.
It points to a null value.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What special value is used to denote an empty queue in the implementation?
1
null
-1
0
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When is the head index moved during an enqueue operation?
When adding the first element.
When removing an element.
When the queue is empty.
When the queue is full.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What exception is thrown when trying to enqueue into a full queue?
QueueOverflowException
NullPointerException
IndexOutOfBoundsException
QueueUnderflowException
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is a generic array initialized in Java for a circular queue?
Using a list.
Using a generic class.
Using a simple array declaration.
Using reflection.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of using generics in the circular queue implementation?
To simplify the code.
To reduce memory usage.
To increase performance.
To allow multiple data types.
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