Data Structures and Algorithms in Java: Practical Foundations — PickAClass
4.1 (16) ⏱ 2h 36m 📚 26 lessons 🎧 Audio version

Data Structures and Algorithms in Java: Practical Foundations

Develop the skills to implement and optimize core data structures and algorithms while solving complex programming problems with Java.

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About this course

Understanding how data is organized and processed is the key to writing efficient, professional-grade software. This course provides a clear path from basic programming to advanced problem-solving by focusing on the logic behind the most important tools in a developer's toolkit. You will learn to evaluate code performance and choose the right structures to ensure your applications remain fast and scalable. What you'll learn: - Understand Big O notation to analyze and optimize the time and space complexity of your code. - Implement essential data structures including Linked Lists, Stacks, and Queues from the ground up. - Master various sorting and searching algorithms to manage and retrieve data efficiently. - Explore advanced concepts such as Hash Tables, Heaps, and Binary Search Trees. - Practice using the Java Collections Framework to apply these concepts in modern development. - Learn to select the most effective data structure for specific real-world programming challenges. The course begins with essential terminology and the mathematical foundations of algorithm analysis before moving into the detailed logic of various data organizations through written explanations and code snippets. It is designed for beginners with a basic knowledge of Java who are ready to build a professional computer science foundation. Begin your journey toward writing more efficient and powerful 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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  • 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: Practical Foundations
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 and Algorithms in Java: Practical Foundations
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.

Reviews (16)

Kayode Balogun NG Verified learner
★ 3 · July 22, 2026

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

Ольга Попова RU Verified learner
★ 3 · July 22, 2026

Solid course. It provided a good foundation. I'd prefer if some of the later modules had more challenging tasks, though.

Emilija Navickaitė LT Verified learner
★ 5 · July 19, 2026

Learned a ton and the structure made it easy to follow along. Loved the practical application examples they provided.

Jorge Alberto Medina MX
★ 5 · July 17, 2026

Couldn't have asked for a better learning experience. The structure flowed perfectly, and the examples were incredibly relevant. Highly recommend!

Elin Nilsen NO Verified learner
★ 4 · July 3, 2026

A good introduction. The structure was mostly clear, but I wish there were a few more real-world examples. Still, learned a lot.

Viltė Jakimavičiūtė LT
★ 4 · July 1, 2026

This was a brilliant way to learn! The structure was logical, the pace was spot on, and the examples were super helpful. Highly recommend!

Valeria Cortés CL
★ 4 · June 22, 2026

Decent introduction. The structure was logical, but I wish there had been more hands-on practice beyond the basic examples.

عبد الرحمن جابر JO Verified learner
★ 4 · June 21, 2026

It's a decent course. The structure is logical, but I occasionally found myself wishing for more in-depth explanations on certain topics. Still, useful.

伊藤 徹 JP Verified learner
★ 4 · June 18, 2026

Loved the practical examples! They really brought the concepts to life. The course was well-organized and easy to navigate.

حمدان بن خلفان البداوي OM
★ 5 · June 16, 2026

Good introduction to the topic. The structure was logical, and most of the examples were relevant, though I wished for more depth in certain areas.

শামীমা সুলতানা BD Verified learner
★ 4 · June 14, 2026

This was a good introduction. The structure is logical, and it covers the basics effectively. Might be too introductory for advanced learners.

Charlotte Green NZ Verified learner
★ 4 · June 11, 2026

It's a good course if you have some prior knowledge. For absolute beginners, some concepts might be a bit challenging. The structure is logical, though.

مها سعيد EG Verified learner
★ 5 · June 4, 2026

This course exceeded my expectations. The real-world applications discussed are incredibly useful. Great job!

Isabelle du Plessis ZA
★ 4 · June 2, 2026

It's a solid course. The structure is logical and most of the examples were helpful. Could use a few more real-world scenarios though.

خالد الهاشمي KW Verified learner
★ 4 · May 28, 2026

Pretty good overall. The structure was logical, and many of the examples were helpful. A few areas could have used a bit more depth, but it's solid.

عبير بنت محمد SA
★ 3 · May 28, 2026

Thoroughly enjoyed this course. The way the information was presented was excellent, and the practical applications were highlighted effectively. Great job!

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

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