Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does a LinkedHashMap retain that a HashMap does not?
💡 Hint: Think about how elements are added.
Question 2
Easy
Can you add null values in a LinkedHashMap?
💡 Hint: Consider the rules for key-value pairs.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What order does a LinkedHashMap maintain?
- Random order
- Order of keys
- Insertion order
💡 Hint: Think about how you would retrieve elements.
Question 2
True or False: LinkedHashMap allows more than one null key.
- True
- False
💡 Hint: Recall the rules regarding keys.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You have a LinkedHashMap that stores tasks with priority levels. How would you efficiently add tasks while maintaining their ordered priority?
💡 Hint: Consider how to traverse the map while inserting.
Question 2
Implement a LinkedHashMap that counts the frequency of words from a given sentence but keeps track of insertion order. Provide a method to display words in insertion order.
💡 Hint: Think about how you would loop through a LinkedHashMap.
Challenge and get performance evaluation