Foundations of Data Structures and Practical Algorithms — PickAClass
⏱ 2h 54m 📚 29 lessons

Foundations of Data Structures and Practical Algorithms

Understand core structures including linked lists, stacks, queues, and hash tables with clear written explanations and guided exercises.

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About this course

Choosing the right data structure is essential for writing efficient, reliable software. This text-based course guides you through the foundational ways data is stored, organized, and retrieved in memory, equipping you with the mental models needed to solve complex programming challenges. You will explore core principles step by step, progressing from simple linear collections to associative mappings and performance evaluation. Through clear explanations and practical code examples, you will learn how to analyze algorithmic efficiency and select the optimal structure for any computing task. What you'll learn: - Understand fundamental terminology, memory layouts, and Big-O time and space complexity - Implement and manipulate node-based linked lists for dynamic data management - Apply stacks and queues to handle last-in-first-out and first-in-first-out scheduling workflows - Master hash tables and dictionary mappings for rapid key-value data access - Evaluate trade-offs between different structures, including lookup speed and memory overhead - Practice algorithmic problem-solving with structured written exercises and code breakdowns The material begins with basic definitions, computational theory, and complexity analysis before advancing into practical implementations and real-world algorithmic applications. This course is designed for beginner programmers, computer science students, and self-taught developers with basic coding knowledge who want a structured path to mastering data structures. Begin reading today to strengthen your programming foundations and write higher-performing code.

Course contents

What you'll get

  • 📜 Certificate of completion
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  • 💬 Personal AI tutor
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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 54m 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
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Name Surname
has successfully demonstrated mastery of
Foundations of Data Structures and Practical Algorithms
Skills demonstrated
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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
Foundations of Data Structures and Practical Algorithms
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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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