Java Functional Programming: Streams and Lambdas — PickAClass
⏱ 2h 54m 📚 29 lessons 🎧 Audio version

Java Functional Programming: Streams and Lambdas

Learn to write concise, efficient, and expressive Java code using modern functional programming techniques.

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About this course

Are you ready to modernize your Java development skills and write cleaner, more maintainable code? This course introduces you to the power of functional programming in Java, focusing on two essential features: Lambda Expressions and the Streams API. By the end of this course, you will be able to confidently apply functional programming paradigms to solve complex data processing challenges, making your Java applications more performant and easier to understand. You will transform your approach to collections and data manipulation, moving beyond traditional loops to a more declarative style. What you'll learn: * Understand the fundamental principles of functional programming in Java * Master the syntax and application of Lambda Expressions for concise code * Apply the Streams API for powerful and efficient data processing * Explore common intermediate and terminal stream operations and collectors * Practice implementing custom functional interfaces and method references * Understand how `Optional` enhances stream operations for robust error handling * Implement best practices for writing efficient and readable stream pipelines This course begins with core functional programming concepts, then progressively introduces Lambda Expressions and the Streams API, demonstrating their practical application through various examples and exercises. You will learn to compose complex operations while maintaining code clarity. This course is designed for Java developers who are new to functional programming concepts or want to deepen their understanding of Lambda Expressions and the Streams API. No prior experience with functional programming is required. Start your journey into modern Java functional programming today.

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
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  • 🎧 Audio version included
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  • ♾️ Lifetime access
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  • 📱 Phone or computer
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  • 💸 14-day refund
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  • Short & focused
    2h 54m of practical content

Certificate of completion

Every course you complete on PickAClass issues a credential like this — original, with its own code, verifiable by URL, and detailed about what was actually demonstrated.

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PickAClass
Skills profile · verifiable
Document
Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Java Functional Programming: Streams and Lambdas
Skills demonstrated
Behavioral pattern analysis
Foundational
1.2 hrs
Decision-architecture frameworks
Proficient
1.4 hrs
A/B test design
Proficient
1.7 hrs
Behavioral copywriting
Advanced
1.9 hrs
P
PickAClass — Name Surname
Java Functional Programming: Streams and Lambdas
Page 2 of 2
Performance detail
Coursework summary
Lessons completed 14 / 14
Practice questions 26 / 28
Assignments submitted 4 (avg 4.5 / 5)
Capstone project Reviewed — 4.6 / 5
Total practice 6.2 hrs
Performance benchmark
Cohort rank Top 12% of 1,625
Time to completion 11 days (median: 22)
Mastery score 91 / 100
Practice-question score 94%
Skill verification Verified Skill Path
Verify this credential
pickaclass.com/certificates/PCC-2026-X4F7-AP19
Issued under the academic standards of PickAClass. Skill levels reflect assessed performance against the course's competency rubric. This is an original credential of this platform.

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Frequently asked

What do I need to take this course? +

Just a phone or computer with internet. No installs, no special hardware.

How do I pay? +

By card via Stripe. We don’t store card details — Stripe handles them securely.

Can I get a refund? +

Yes — full refund within 14 days, no questions asked.

How long will I have access? +

Forever. Once you purchase, the course is yours to revisit anytime.

Will I get a certificate? +

Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.

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