Foundational Algorithms and Data Structures with Java โ€” WalkSelf
โ˜… 3.7 (10) โฑ 3h ๐Ÿ“š 30 lessons ๐ŸŽง 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

  • ๐Ÿ“œ Certificate of completion
    Add it to your LinkedIn profile
  • ๐Ÿ’ฌ Personal AI tutor
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  • ๐ŸŽง Audio version included
    Learn on the go โ€” no screen needed
  • โ™พ๏ธ Lifetime access
    Come back anytime, no expiry
  • ๐Ÿ“ฑ Phone or computer
    Works anywhere, any device
  • ๐Ÿ’ธ 14-day refund
    No questions asked
  • โšก Short & focused
    3h of practical content

Reviews (10)

Mulu Haile ET Verified learner
โ˜… 4 ยท August 10, 2026

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

Carter Wright US Verified learner
โ˜… 3 ยท July 25, 2026

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

Lฤซga Liepiล†a LV Verified learner
โ˜… 3 ยท July 19, 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
โ˜… 3 ยท July 17, 2026

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

Boris Atanasov BG Verified learner
โ˜… 5 ยท July 16, 2026

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

Suranga De Silva LK
โ˜… 3 ยท June 29, 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.

Ruth Asante GH Verified learner
โ˜… 4 ยท June 27, 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.

Fernanda Guerrero MX Verified learner
โ˜… 4 ยท June 25, 2026

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

Eko Prasetyo ID
โ˜… 4 ยท June 9, 2026

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

Devansh Verma SG
โ˜… 4 ยท June 6, 2026

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

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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 donโ€™t store card details โ€” Stripe handles them securely.

Can I get a refund? +

Yes โ€” 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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