Foundational Algorithms and Data Structures with Java — PickAClass
3.7 (10) ⏱ 3h 📚 30 lessons 🎧 Audio version

Foundational Algorithms and Data Structures with Java

Master fundamental sorting, searching, and elementary data structures in Java to write highly efficient, performance-analyzed code.

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About this course

Every software developer needs a rock-solid understanding of how to organize data and solve computational problems efficiently. Mastering foundational algorithms is the key to writing clean, optimized code and passing technical interviews with confidence. This text-based course guides you through the core concepts of algorithms and data structures using modern Java. You will learn how to analyze code performance scientifically, select the right data structures for real-world scenarios, and implement classic sorting and searching algorithms from scratch. What you'll learn: - Understand the core mathematical models and Big O notation used to analyze algorithm performance scientifically. - Implement elementary data structures including bags, queues, stacks, and linked lists in modern Java. - Apply classic sorting algorithms such as Quicksort, Mergesort, and Heapsort to organize data efficiently. - Master fundamental searching techniques using binary search trees and hash tables. - Analyze the time and space complexity of your implementations to ensure optimal resource utilization. - Practice solving algorithmic problems using modern Java syntax and clean coding standards. The course begins with essential terminology, basic computational concepts, and performance analysis principles. You will then progress through step-by-step written explanations and structured code implementations of elementary data structures, sorting methods, and searching algorithms. This course is designed for beginner to intermediate programmers who want to build a strong theoretical and practical foundation in computer science. No advanced mathematical background is required, though basic familiarity with Java syntax is helpful. Start reading today to elevate your programming skills and write highly optimized software.

What you'll get

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  • 📱 Phone or computer
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  • Short & focused
    3h 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
Foundational Algorithms and Data Structures with Java
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
Foundational Algorithms and Data Structures with Java
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 (10)

Eko Prasetyo ID
★ 4 · August 18, 2026

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

Līga Liepiņa LV Verified learner
★ 3 · August 18, 2026

It's decent. The concepts are explained well enough, though I wish there were more real-world examples. Useful, but could be better.

Diego Rojas PE Verified learner
★ 3 · August 15, 2026

Pretty good. The practical aspects were well-covered. Might be a bit fast for complete beginners in some sections, but manageable.

Fernanda Guerrero MX Verified learner
★ 4 · August 15, 2026

Pretty good foundation. The examples were mostly helpful. Might need additional practice elsewhere for mastery.

Devansh Verma SG
★ 4 · August 5, 2026

Foundational knowledge was covered well. The structure made sense, and the information felt relevant. A worthwhile endeavor.

Carter Wright US Verified learner
★ 3 · July 26, 2026

It's a decent introduction. Could benefit from more diverse examples and a slightly better flow between modules.

Suranga De Silva LK
★ 3 · July 21, 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.

Mulu Haile ET Verified learner
★ 4 · July 10, 2026

Good foundational material. I appreciated the structured approach, although I wish there had been a few more real-world case studies.

Ruth Asante GH Verified learner
★ 4 · July 4, 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.

Boris Atanasov BG Verified learner
★ 5 · June 1, 2026

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

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

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Yes — full refund within 14 days, no questions asked.

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Forever. Once you purchase, the course is yours to revisit anytime.

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

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