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Data Structure
Linked List
Doubly Linked List
Circular Linked List
Queues
Stacks
Hashing and Searching
Sorting
Our team has curated a list of the most important questions asked in universities such as DU, DTU, VIT, SRM, IP, Pune University, Manipal University, and many more. The questions are created from the previous year's question papers of colleges and universities.
Circular Linked List is a variation of Linked list in which the first element points to the last element and the last element points to the first element. Both Singly Linked List and Doubly Linked List can be made into a circular linked list.
Question 1 - Discuss Circular Linked Lists with its advantages.
Answer - Circular linked list is an updated version of single linked list. In a circular linked list other than links between all nodes there is an additional link between the head and the last element of the list.
Advantages of Circular linked list
Due to an extra connection we can have any node as a starting node and we can traverse the entire list through this node.
Simplify implementation of queue
It saves time
Question 2 - Explain different applications of a Circular Linked List.
Undo function in MS word is an example of implementation of circular linked list
Used in Round Robin Scheduling
Helps in implementation of Fibonacci heap
Other Related Questions
Question 1 - Explain the difference between Array list and Vectors?
Vector data structure is synchronized whereas Array list is not synchronized
After exceeding the capacity, the Array List increases by 50% but the vector doubles its size.
Vector is a legacy class whereas Array List is not.
Array lists are faster as compared to vectors.
Question 2 - What do you understand by synchronization in the list?
Answer - Synchronization is the precise coordination of multiple events. So, synchronization can be easily explained by the help of an example. Let’s say you give a command to add an element at a specified position and that command is still under process and you make a call to display the same index so here you will get the old result as the process is still going on. This is a synchronization issue.
Question 3 - Which data structure can be used for efficient deletion of a node from nth position?
Answer - Linked list: As in linked list we just have to remove a connection and add it to another place, whereas in an Array every element after the deleted element will shift from its original place. Thus, consumes more time.
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