Selecting a country shows the courses available in your region.
⏱ 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.
💬AI instructor Ask about any lesson and get a clear answer instantly, anytime.
🕐Start anytime No schedules or deadlines — learn at your own pace, whenever suits you.
🌐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.
P
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