
Java LinkedList Quiz
Quiz
•
Computers
•
12th Grade
•
Practice Problem
•
Medium
Jay Ho
Used 2+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary difference between ArrayList and LinkedList in Java?
ArrayList uses a dynamic array, while LinkedList uses a doubly linked list.
ArrayList uses a static array, while LinkedList uses a dynamic array.
ArrayList and LinkedList are identical in implementation.
ArrayList uses a singly linked list, while LinkedList uses a doubly linked list.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which method adds an item to the beginning of a LinkedList?
addFirst()
addLast()
addBeginning()
addStart()
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which method is used to remove the last item from a LinkedList?
removeTail()
removeEnd()
removeFinal()
removeLast()
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the correct way to import the LinkedList class in Java?
import LinkedList.java.util;
import java.util.LinkedList;
import java.LinkedList.util;
import util.java.LinkedList;
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which method retrieves the first item of a LinkedList without removing it?
fetchFirst()
getFirst()
peekFirst()
retrieveFirst()
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When should you prefer using a LinkedList over an ArrayList?
When you need to frequently add or remove elements from the middle of the list.
When you need fast random access to elements.
When memory usage is a concern.
When you need to sort the list frequently.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a method of the LinkedList class?
addMiddle()
addFirst()
removeLast()
getLast()
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