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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 normally call a method.
Question 2
Easy
What purpose do constructor references serve?
💡 Hint: It's related to creating new objects.
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 the primary purpose of a method reference?
- To instantiate classes
- To refer to methods directly
- To create lambdas
💡 Hint: Think about what method references do.
Question 2
True or False: A constructor reference uses the syntax ClassName::methodName.
- True
- False
💡 Hint: Consider how constructors are instantiated.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a list of strings, use a method reference to print them all to the console.
💡 Hint: Remember to use the correct method reference syntax.
Question 2
Create a constructor reference for a HashMap and assign it to a Supplier.
💡 Hint: Think about how to instantiate new maps.
Challenge and get performance evaluation