Practice Lambda Expressions - 1.3 | 17. Functional Programming in Java | Advance Programming In Java
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Lambda Expressions

1.3 - Lambda Expressions

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is a lambda expression?

💡 Hint: Think about the syntax.

Question 2 Easy

Write a lambda expression that prints 'Learning Java'.

💡 Hint: Remember the structure of a lambda expression.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the primary purpose of a lambda expression in Java?

To define a class
To create an instance of a functional interface
To shortcut for loops

💡 Hint: Think about what functional interfaces need for their implementation.

Question 2

Lambda expressions can take parameters.

True
False

💡 Hint: Refer back to how we defined lambda expressions.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Create a functional interface that defines a method to return the square of a number, and implement it using a lambda expression.

💡 Hint: Look at how you can pass the parameter to compute its square.

Challenge 2 Hard

Write a lambda expression that filters a list of integers to return only even numbers, using the Stream API.

💡 Hint: What method is used to filter data in streams?

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