Welcome to the Linked Lists MCQs Page
Dive deep into the fascinating world of Linked Lists with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Linked Lists, a crucial aspect of Data Structures and Algorithms. In this section, you will encounter a diverse range of MCQs that cover various aspects of Linked Lists, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Data Structures and Algorithms.
Check out the MCQs below to embark on an enriching journey through Linked Lists. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Data Structures and Algorithms.
Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Linked Lists. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!
Linked Lists MCQs | Page 10 of 17
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a)
public void remove(int pos)
{
if(pos<0 || pos>=size)
{
System.out.println("Invalid position");
return;
}
else
{
if(head == null)
return;
if(pos == 0)
{
head = head.getNext();
if(head == null)
tail = null;
}
else
{
Node temp = head;
for(int i=1; i<position; i++)
temp = temp.getNext();
}
temp.getNext().setPrev(temp.getPrev());
temp.getPrev().setNext(temp.getNext());
}
size--;
}
b)
public void remove(int pos)
{
if(pos<0 || pos>=size)
{
System.out.println("Invalid position");
return;
}
else
{
if(head == null)
return;
if(pos == 0)
{
head = head.getNext();
if(head == null)
tail = null;
}
else
{
Node temp = head;
for(int i=1; i<position; i++)
temp = temp.getNext();
}
temp.getNext().setPrev(temp.getNext());
temp.getPrev().setNext(temp.getPrev());
}
size--;
}
c)
public void remove(int pos)
{
if(pos<0 || pos>=size)
{
System.out.println("Invalid position");
return;
}
else
{
if(head == null)
return;
if(pos == 0)
{
head = head.getNext();
if(head == null)
tail = null;
}
else
{
Node temp = head;
for(int i=1; i<position; i++)
temp = temp.getNext().getNext();
}
temp.getNext().setPrev(temp.getPrev());
temp.getPrev().setNext(temp.getNext());
}
size--;
}
d) None of the mentioneda)
public class insertFront(int data)
{
Node node = new Node(data, head, head.getNext());
node.getNext().setPrev(node);
head.setNext(node);
size++;
}
b)
public class insertFront(int data)
{
Node node = new Node(data, head, head);
node.getNext().setPrev(node);
head.setNext(node);
size++;
}
c)
public class insertFront(int data)
{
Node node = new Node(data, head, head.getNext());
node.getNext().setPrev(head);
head.setNext(node);
size++;
}
d)
public class insertFront(int data)
{
Node node = new Node(data, head, head.getNext());
node.getNext().setPrev(node);
head.setNext(node.getNext());
size++;
}What will be the list after performing the given sequence of operations?
Node temp = new Node(6,head,head.getNext());
Node temp1 = new Node(0,tail.getPrev(),tail);
head.setNext(temp);
temp.getNext().setPrev(temp);
tail.setPrev(temp1);
temp1.getPrev().setNext(temp1);public int function()
{
Node temp = tail.getPrev();
tail.setPrev(temp.getPrev());
temp.getPrev().setNext(tail);
size--;
return temp.getItem();
}What will be the list after performing the given sequence of operations?
Node temp = new Node(6,head,head.getNext());
head.setNext(temp);
temp.getNext().setPrev(temp);
Node temp1 = tail.getPrev();
tail.setPrev(temp1.getPrev());
temp1.getPrev().setNext(tail);
Given the representation, which of the following operation can be implemented in O(1) time?
i) Insertion at the front of the linked list
ii) Insertion at the end of the linked list
iii) Deletion of the front node of the linked list
iv) Deletion of the last node of the linked list
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