Java Programming Level 2: Core OOP and Modern Features — PickAClass
⏱ 3h 📚 30 lessons 🎧 Audio version

Java Programming Level 2: Core OOP and Modern Features

Expand your Java skills by mastering object-oriented architecture, collections, streams, and modern coding practices through clear text-based explanations.

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  • 🌐 In English
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About this course

Ready to take your Java programming beyond basic syntax? Building robust, maintainable applications requires a solid grasp of object-oriented architecture, structured error handling, and modern language patterns. In this written guide, you will transition from writing simple scripts to designing modular, efficient Java applications. You will learn how to structure data effectively, leverage reusable class hierarchies, and write expressive code using modern Java paradigms. What you'll learn: - Understand core object-oriented principles including encapsulation, inheritance, polymorphism, and interfaces - Apply modern Java features such as records, lambda expressions, and the Streams API - Manage collections and data structures efficiently using lists, sets, and maps - Implement resilient exception handling and input/output operations - Practice writing clean, maintainable code with unit testing fundamentals - Structure modular Java projects following industry standard conventions The course begins by clarifying essential terminology, class modeling, and memory concepts before guiding you through structured design patterns and practical written code scenarios. It is designed for learners with foundational programming familiarity who want to solidify their Java competencies and write professional-grade code. Start reading today to advance your Java development journey.

Course contents

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.
  • 🎧 Audio version included
    Learn on the go — no screen needed
  • ♾️ 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
Java Programming Level 2: Core OOP and Modern Features
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 Programming Level 2: Core OOP and Modern Features
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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