Kotlin Syntax and Idioms: Hands-On Practice Exercises — PickAClass
⏱ 2h 48m 📚 28 lessons 🎧 Audio version

Kotlin Syntax and Idioms: Hands-On Practice Exercises

Master Kotlin syntax and the standard library through structured, hands-on written exercises designed to teach you idiomatic coding practices.

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About this course

Kotlin is a powerful, modern language, but writing truly idiomatic Kotlin requires more than just translating code from other languages line-by-line. To unlock its full potential, you need to understand the unique features and conventions that make Kotlin expressive and safe. This text-based course guides you through the foundational concepts of Kotlin syntax, helping you write clean, concise, and robust code. Through clear explanations and structured code analysis, you will transition from basic syntax to advanced language features. You will learn how to leverage Kotlin's powerful standard library and type system to solve common programming challenges efficiently. What you'll learn: - Understand core Kotlin syntax, variable declarations, null safety, and control flow structures - Apply standard library functions like map, filter, flatMap, and fold to manipulate collections - Implement idiomatic Kotlin features including extension functions, smart casts, and destructuring declarations - Practice object-oriented and functional programming paradigms using data classes, sealed classes, and lambdas - Explore modern Kotlin conventions including operator overloading, properties, and delegation - Master null safety patterns to write robust, crash-resistant applications This course begins with essential terminology, basic concepts, and foundational definitions before progressing to collections, lambdas, and advanced object-oriented features. Each concept is reinforced with written exercises and code walkthroughs to ensure practical understanding. This course is designed for beginners who are new to Kotlin, as well as developers transitioning from other languages who want to master idiomatic Kotlin conventions. No prior experience with Kotlin is required. Start reading today to write elegant, safe, and expressive Kotlin code with confidence.

What you'll get

  • 📜 Certificate of completion
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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 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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Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Kotlin Syntax and Idioms: Hands-On Practice Exercises
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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PickAClass — Name Surname
Kotlin Syntax and Idioms: Hands-On Practice Exercises
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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