Intermediate Java: Generics, Collections, and Modern Streams — PickAClass
⏱ 2h 42m 📚 27 lessons 🎧 Audio version

Intermediate Java: Generics, Collections, and Modern Streams

Build on your foundational Java knowledge to master generics, collection structures, functional programming, and modern language features through practical text-based guides.

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  • 🌐 In English
    Lessons, tasks and certificate — all fully in your language.

About this course

Ready to take your Java skills beyond basic syntax and simple object-oriented programming? Writing robust, efficient, and maintainable Java code requires a deep understanding of how data is structured, managed, and processed in professional environments. This comprehensive, text-only course guides you through intermediate Java concepts, turning you from a basic syntax writer into a developer who writes clean, idiomatic Java. You will learn how to design type-safe applications, manipulate complex data structures, and leverage modern functional programming patterns. What you'll learn: - Understand Java generics to write highly reusable, type-safe classes and methods - Master the Java Collections Framework, including lists, sets, maps, and custom data structures - Apply functional programming patterns using lambda expressions and the powerful Streams API - Practice modern Java features like Records and pattern matching to write cleaner, more expressive code - Explore foundational multithreading concepts and basic concurrency utilities for background tasks - Design robust error-handling structures using custom exceptions and modern practices Starting with key terminology and foundational definitions, this course progresses systematically from type safety to data manipulation and concurrent execution. You will read clear explanations, analyze practical code snippets, and complete conceptual exercises to solidify your understanding. This course is designed for advancing beginners who already know basic Java syntax and object-oriented principles and want to transition to professional-grade programming. No advanced software engineering experience is required. Start reading today to write cleaner, more powerful Java applications.

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
    2h 42m 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
Intermediate Java: Generics, Collections, and Modern Streams
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
Intermediate Java: Generics, Collections, and Modern Streams
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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