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 is the syntax for a method reference?
💡 Hint: Think about how you would refer to a method of a class.
Question 2
Easy
Give an example of using a method reference to print elements of a list.
💡 Hint: What method do you use to print elements in a collection?
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 is a method reference used for in Java?
- Creating methods
- Referring to methods
- Declaring methods
💡 Hint: Consider the purpose of a reference in programming.
Question 2
True or False: Method references reduce the amount of boilerplate code written.
- True
- False
💡 Hint: Think about the differences in the code structure.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Create a Java program that uses method references to sort a list of integers in reverse order, using the Collections.sort method.
💡 Hint: Remember how method references can change the way we think about traditional sorting methods.
Question 2
Using method references, write a program that takes a list of names and converts them to lowercase and sorts them.
💡 Hint: Think about how to combine method references with other stream operations.
Challenge and get performance evaluation