Practice Method References and Constructor References - 22.10 | 22. Lambda Expressions and Functional Interfaces | Advanced Programming
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Method References and Constructor References

22.10 - Method References and Constructor References

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Learning

Practice Questions

Test your understanding with targeted questions

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.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

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.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

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.

Challenge 2 Hard

Create a constructor reference for a HashMap and assign it to a Supplier.

💡 Hint: Think about how to instantiate new maps.

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Reference links

Supplementary resources to enhance your learning experience.