Go Maps: A Beginner's Guide to Key-Value Data — PickAClass
⏱ 2h 36m 📚 26 lessons 🎧 Audio version

Go Maps: A Beginner's Guide to Key-Value Data

This course helps new Go developers confidently declare, initialize, and use maps for efficient key-value data management in their applications.

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About this course

Managing collections of data with unique identifiers is a fundamental task in programming. Go's maps provide a powerful and flexible way to store and retrieve data using key-value pairs. By the end of this course, you will possess a solid understanding of Go maps, enabling you to effectively implement and manipulate these essential data structures in your own projects. What you'll learn: * Understand the core concept of key-value pairs and their role in Go maps. * Declare and initialize maps using various methods, including the make function and composite literals. * Perform fundamental operations such as adding, retrieving, updating, and deleting elements from maps. * Iterate over map elements efficiently using the range keyword. * Handle cases where keys may not exist in a map using Go's idiomatic "comma ok" syntax. * Recognize the zero value of a map and its implications for usage. This course begins with foundational concepts and syntax, guiding you through practical examples to solidify your understanding of map creation, manipulation, and best practices. This course is designed for Go beginners with no prior experience using maps, or for those looking to reinforce their foundational knowledge of this crucial data type. Start building more robust and flexible Go applications today by mastering maps.

Course contents

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
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  • 🎧 Audio version included
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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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has successfully demonstrated mastery of
Go Maps: A Beginner's Guide to Key-Value Data
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1.4 hrs
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Go Maps: A Beginner's Guide to Key-Value Data
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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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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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