Java Programming: Collections, Multithreading, and Streams — PickAClass
⏱ 2h 30m 📚 25 lessons 🎧 Audio version

Java Programming: Collections, Multithreading, and Streams

Master key Java concepts including I/O, collections, multithreading, and functional streams through structured written lessons and practical code examples.

  • 💬 AI instructor
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  • 🕐 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

Java is one of the most widely used languages in software development, but moving beyond basic syntax requires a deep understanding of its core APIs and modern features. This course guides you step-by-step through essential Java mechanisms, giving you the skills to write clean, concurrent, and maintainable code. You will build a solid practical foundation in data processing, concurrency, and functional design patterns. What you'll learn: Understand key Java terminology, standard API architecture, and modern features like records. Master the Java Collections Framework to organize and manipulate data structures effectively. Process files and data streams using standard I/O and modern NIO libraries. Write responsive applications using multithreading and concurrency fundamentals. Apply functional programming techniques with lambda expressions and the Streams API. Parse string patterns and manage temporal data using regular expressions and the Date-Time API. The course begins with foundational definitions and fundamental concepts before progressing into standard library usage and written code walk-throughs. This material is ideal for beginner and intermediate developers who want to solidify their understanding of core Java tools through structured text explanations. Start reading today to build robust Java applications with confidence.

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 30m 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
Java Programming: Collections, Multithreading, and 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
Java Programming: Collections, Multithreading, and 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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