Practice Best Practices - 5.11 | 5. Java Streams and Lambda Expressions | Advance Programming In Java
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Best Practices

5.11 - Best Practices

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is a Stream in Java?

💡 Hint: Think about how it works with collections.

Question 2 Easy

Define a stateful operation.

💡 Hint: Consider how they can introduce side effects.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

When should you use Streams?

For simple tasks
For complex data processing
Only with collections

💡 Hint: Consider the nature of the operation.

Question 2

True or False: Stateful operations are safe to use with Streams.

True
False

💡 Hint: Think about how they interact with shared state.

3 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Create a Stream operation that takes a list of numbers and returns a list of their squares, ensuring you do not modify any external state.

💡 Hint: Use the map operation to transform data without side effects.

Challenge 2 Hard

Devise a scenario where using parallel streams would cause problems due to shared mutable state and suggest how to avoid that.

💡 Hint: Look into concurrent programming and thread-safety principles.

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