Data Structures and Algorithms in Java: Hands-On DSA — PickAClass
3.0 (1) ⏱ 2h 36m 📚 26 lessons 🎧 Audio version

Data Structures and Algorithms in Java: Hands-On DSA

Master foundational and advanced computer science concepts using Java to write clean, efficient code and solve complex algorithmic problems with confidence.

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About this course

Mastering data structures and algorithms is the key to writing efficient, scalable software and excelling in technical interviews. This text-based course guides you through the core concepts of computer science using Java, translating complex theory into readable, step-by-step code. You will develop a strong mental model of how data is stored and manipulated in memory. By analyzing written explanations and structured Java code snippets, you will learn to evaluate algorithmic complexity and choose the optimal tools for any programming challenge. What you'll learn: - Understand complexity analysis using Big O notation to evaluate runtime and memory usage. - Implement fundamental data structures like linked lists, trees, graphs, and hash tables from scratch. - Apply modern Java features, such as records, to build clean and concise data representations. - Solve complex challenges using core algorithmic strategies, including recursion, backtracking, and dynamic programming. - Master sorting and searching algorithms to optimize data retrieval and processing. - Practice analyzing and debugging algorithm performance through written code walkthroughs. The course starts with basic memory concepts and foundational structures before moving step-by-step into advanced algorithmic techniques. You will read detailed breakdowns of each algorithm, studying how data flows through the code through clear, written explanations. Designed for aspiring software engineers, students, and self-taught developers who have a basic grasp of Java syntax and want to build a deep, conceptual understanding of computer science fundamentals. No prior algorithms experience is required. Start reading today to build a rock-solid foundation in computer science and write more efficient Java code.

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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  • 📱 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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Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Data Structures and Algorithms in Java: Hands-On DSA
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
P
PickAClass — Name Surname
Data Structures and Algorithms in Java: Hands-On DSA
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.

Reviews (1)

فاتن بن علي TN
★ 3 · June 10, 2026

Hmm, not sure about this one. The pace was definitely a challenge, and some examples were hard to follow. Needed more practice.

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Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.

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