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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a method reference in Java?
💡 Hint: Think about how we can shorten lambda expressions.
Question 2
Easy
How would you reference a static method?
💡 Hint: Recall the structure `ClassName::methodName`.
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 does a method reference use?
- ();
- ::
- <>
💡 Hint: It's a key part of the syntax.
Question 2
True or False: Method references can only be used for static methods.
- True
- False
💡 Hint: Remember the different types of method references.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Create a Java application that filters a list of integers, retaining only the even numbers using a method reference.
💡 Hint: Think about how `filter` can leverage a method reference for more clarity!
Question 2
Implement a Java program that transforms a list of strings to their uppercase representation using method references.
💡 Hint: How might `String::toUpperCase` simplify the transformation?
Challenge and get performance evaluation