Java Programming: OOP, Collections, and Modern Features — PickAClass
⏱ 2h 36m 📚 26 lessons

Java Programming: OOP, Collections, and Modern Features

Expand your Java skills by mastering object-oriented design, the Collections Framework, and modern language features to write clean, efficient code.

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About this course

Ready to take your Java skills beyond the syntax basics? Building real-world applications requires a solid understanding of how to structure code, manage data, and handle errors effectively. This comprehensive text-based course guides you through intermediate Java concepts, helping you transition from writing simple scripts to designing robust, maintainable programs.\n\nWhat you'll learn:\n- Understand core object-oriented principles like inheritance, polymorphism, and encapsulation.\n- Manage complex data sets efficiently using the Java Collections Framework, including lists, sets, and maps.\n- Handle runtime errors gracefully using Java's robust exception handling mechanisms.\n- Apply modern Java features such as records, switch expressions, and basic lambda expressions.\n- Practice writing clean, readable code with standard Java naming conventions and formatting.\n- Read and write data using Java's input/output (I/O) streams.\n\nYou will start with foundational object-oriented concepts before exploring data structures, error handling, and modern syntax enhancements through structured written explanations and code exercises. This course is designed for learners who know basic Java syntax, such as variables, loops, and basic conditionals, and want to progress to structured application development. Start reading today to elevate your Java programming capabilities.

Course contents

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
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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 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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PickAClass
Skills profile · verifiable
Document
Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Java Programming: OOP, Collections, 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: OOP, Collections, 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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