Practice Best Practices - 5.11 | 5. Java Streams and Lambda Expressions | Advance Programming In Java
K12 Students

Academics

AI-Powered learning for Grades 8–12, aligned with major Indian and international curricula.

Professionals

Professional Courses

Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.

Games

Interactive Games

Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.

Practice Questions

Test your understanding with targeted questions related to the topic.

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.

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

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.

Solve 3 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

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.

Question 2

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.

Challenge and get performance evaluation