Data Structures: Linear, Trees, and Graphs for Beginners — PickAClass
⏱ 2h 36m 📚 26 lessons 🎧 Audio version

Data Structures: Linear, Trees, and Graphs for Beginners

Gain a foundational understanding of how to organize data efficiently using linear, tree, and graph structures to build robust software.

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About this course

Many programming problems require efficient data organization. Understanding how data is structured is key to writing effective and performant code. This course provides a clear, foundational understanding of both linear and non-linear data structures, empowering you to choose and implement the right structure for various programming tasks. What you'll learn: * Understand the fundamental concepts of linear and non-linear data structures. * Learn to identify and differentiate between various linear structures like arrays and linked lists. * Explore the principles of tree data structures, including common types and traversals. * Grasp the concepts of graph data structures and their practical applications. * Apply basic graph traversal algorithms like Breadth-First Search (BFS) and Depth-First Search (DFS). * Analyze the time and space complexity of different data structures using Big O notation. * Practice implementing these data structures and algorithms through written exercises. The course begins by defining core data structure concepts and progresses through detailed explanations of linear structures, followed by comprehensive coverage of trees and graphs, concluding with an introduction to performance analysis. This course is designed for absolute beginners with no prior experience in data structures or complex algorithms, providing a solid foundation for further study in computer science. Start building your essential programming toolkit today by mastering data structures.

What you'll get

  • 📜 Certificate of completion
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  • 💬 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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  • 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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Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Data Structures: Linear, Trees, and Graphs for Beginners
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
Data Structures: Linear, Trees, and Graphs for Beginners
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
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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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What do I need to take this course? +

Just a phone or computer with internet. No installs, no special hardware.

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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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