Modern Java: Write Clean and Efficient Code — PickAClass
⏱ 3h 📚 30 lessons

Modern Java: Write Clean and Efficient Code

Equip yourself with contemporary Java features to build robust, readable, and high-performance applications.

  • 💬 AI instructor
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  • 🕐 Start anytime
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  • 🌐 In English
    Lessons, tasks and certificate — all fully in your language.

About this course

Many Java codebases can become complex and challenging to maintain. Modern Java offers powerful features to simplify development, enhance readability, and improve overall code quality. This course will guide you through the essential modern Java features, enabling you to write concise, efficient, and highly readable code that is easier to debug and scale. What you'll learn: * Understand fundamental modern Java language constructs and their advantages. * Apply functional programming paradigms using lambda expressions and the Stream API. * Leverage features like `var`, records, and pattern matching for concise and expressive code. * Implement effective error handling and resource management with modern Java practices. * Practice writing clean, readable, and maintainable Java code. * Explore principles of basic modular design for organized Java projects. The course begins with foundational modern Java concepts, then progressively introduces advanced features like functional programming, leading to practical application through written code examples and exercises. This course is designed for absolute beginners to Java programming or developers looking to update their skills with modern Java features, with no prior experience required. Start your journey to becoming a proficient Java developer today.

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
    Stuck on a lesson? Ask your built-in tutor anything, any time.
  • ♾️ Lifetime access
    Come back anytime, no expiry
  • 📱 Phone or computer
    Works anywhere, any device
  • 💸 14-day refund
    No questions asked
  • Short & focused
    3h 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
Modern Java: Write Clean and Efficient Code
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
Modern Java: Write Clean and Efficient Code
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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