Object-Oriented Programming in Java for Beginners — PickAClass
⏱ 3h 📚 30 lessons 🎧 Audio version

Object-Oriented Programming in Java for Beginners

Master core OOP principles in Java to write clean, reusable, and modular code with modern best practices.

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About this course

Writing software that scales requires more than just knowing basic syntax. To build robust applications, you must master Object-Oriented Programming (OOP), the industry-standard paradigm that structures code for maximum reusability and clarity. This text-based course guides you from foundational programming concepts to advanced architectural patterns in Java. You will transition from writing simple scripts to designing sophisticated, maintainable systems. By reading through practical explanations and studying clear code snippets, you will learn how to model real-world problems using objects and classes. What you'll learn: - Understand foundational OOP concepts starting with classes, objects, and state management - Implement encapsulation to protect data integrity and restrict direct access - Apply inheritance to build logical hierarchies and promote code reuse - Leverage polymorphism to write flexible, extensible code that adapts to changing requirements - Design clean interfaces and abstract classes to separate definition from implementation - Practice modern Java conventions including type hints, record types, and clean packaging structures This course begins with essential terminology and the core philosophy of object-oriented design before moving into step-by-step practical implementations. You will explore how these principles solve common software engineering challenges through structured, readable text lessons. This course is designed for beginner Java developers, students, and self-taught programmers who want to build a rock-solid foundation in object-oriented design. No advanced programming experience is required. Start reading today to elevate your Java coding skills and design better software structures.

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
    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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Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Object-Oriented Programming in Java for Beginners
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
Object-Oriented Programming in Java for Beginners
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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