22.13 - Best Practices
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Practice Questions
Test your understanding with targeted questions
What is a lambda expression?
💡 Hint: Think of it as a block of code you can pass around.
Why should one avoid complex logic in lambdas?
💡 Hint: Consider how this impacts understanding the code at a glance.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is a key benefit of using built-in functional interfaces in Java?
💡 Hint: Consider their role in standardizing code.
True or False: We should implement complex business logic within lambdas.
💡 Hint: Reflect on the purpose of using lambdas.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Given an existing lambda expression that checks if a number is even and calculates its square, refactor it to separate the checking logic from the squaring logic. Rewrite the code to follow best practices.
💡 Hint: Look for opportunities to define functions that encapsulate logic.
Convert a lambda expression that prints out contents of a list to use method reference syntax. Original: list.forEach(item -> System.out.println(item));.
💡 Hint: Identify the action being used in the lambda.
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