Modern Java: Lambdas, Streams, and Functional Patterns — PickAClass
⏱ 2h 36m 📚 26 lessons 🎧 Audio version

Modern Java: Lambdas, Streams, and Functional Patterns

Learn to write concise, expressive Java code by applying functional programming concepts like lambdas and streams.

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About this course

Unlock the power of modern Java for more efficient and readable code. This course guides you through the fundamental shifts in Java programming, enabling you to transform your coding style. Upon completing this course, you will be proficient in using modern Java features to write cleaner, more maintainable, and highly efficient applications. You will understand how functional programming paradigms enhance code clarity and reduce boilerplate, preparing you to tackle contemporary Java development challenges. What you'll learn: * Understand the core principles of functional programming in Java * Apply lambda expressions to write concise and readable code * Process collections effectively using the Java Stream API * Implement robust error handling with the Optional type * Refactor traditional Java code to leverage modern language features * Practice writing declarative and efficient Java solutions This course begins with an exploration of functional programming concepts and their relevance in Java, then progresses to detailed explanations and practical applications of lambda expressions and the Stream API. You will learn to integrate these features, along with modern utilities like Optional, into your projects through practical examples and exercises. This course is for beginner Java developers looking to modernize their coding practices and embrace functional programming. No prior experience with Java 8 or later features is required. Start building better Java applications today.

Course contents

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
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  • 🎧 Audio version included
    Learn on the go — no screen needed
  • ♾️ Lifetime access
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  • 📱 Phone or computer
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  • 💸 14-day refund
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  • ⚡ Short & focused
    2h 36m 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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Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Modern Java: Lambdas, Streams, and Functional Patterns
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
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PickAClass — Name Surname
Modern Java: Lambdas, Streams, and Functional Patterns
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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