Go Concurrency: Building a Multiplication Table with WaitGroups — PickAClass
⏱ 2h 48m 📚 28 lessons 🎧 Audio version

Go Concurrency: Building a Multiplication Table with WaitGroups

Learn to manage concurrent tasks in Go by building a synchronized multiplication table generator using goroutines and WaitGroups.

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About this course

Mastering concurrency is the key to unlocking Go's true potential, but managing multiple tasks simultaneously requires careful synchronization. This text-based course guides you through the fundamental mechanics of goroutines and synchronization primitives. You will learn how to coordinate concurrent execution safely and efficiently, gaining hands-on experience controlling parallel execution paths and preventing common concurrency bugs. What you'll learn: - Understand the core concepts of Go concurrency, including goroutines and the runtime scheduler - Configure and control concurrent execution using the sync.WaitGroup primitive - Implement a synchronized multiplication table generator using parallel execution blocks - Identify and resolve common concurrency issues like race conditions and goroutine leaks - Apply modern Go testing practices, including using the race detector to ensure thread safety The course begins with foundational definitions of concurrent programming in Go, establishing a solid conceptual base. From there, you will progress through written explanations and step-by-step code examples to build, synchronize, and test your concurrent multiplication table application. This course is designed for beginning Go developers who understand basic syntax and want to transition into concurrent programming. No prior experience with multi-threaded programming is required. Start reading today to write safe, concurrent, and high-performance Go applications.

What you'll get

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  • Short & focused
    2h 48m 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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Name Surname
has successfully demonstrated mastery of
Go Concurrency: Building a Multiplication Table with WaitGroups
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
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Go Concurrency: Building a Multiplication Table with WaitGroups
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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
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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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