Data Structures and Algorithms in Java Fundamentals — PickAClass
⏱ 2h 54m 📚 29 lessons 🎧 Audio version

Data Structures and Algorithms in Java Fundamentals

Master the foundational data structures necessary for efficient problem-solving and clean code implementation in Java.

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About this course

Understanding data structures is essential for writing efficient, scalable Java applications. This course provides a clear, text-based guide to the most important structures used in software development today. By the end of this course, you will be able to confidently implement fundamental data structures from scratch in Java, analyze their performance characteristics, and utilize the appropriate structures from the Java Collections Framework to solve complex programming challenges. What you'll learn: * Understand the performance trade-offs of various data structures using Big O notation for time and space complexity. * Implement foundational linear structures, including arrays, linked lists, stacks, and queues in Java. * Practice building non-linear structures such as binary search trees and hash tables. * Apply the Java Collections Framework effectively for common data manipulation tasks. * Configure basic graph representations and traversal algorithms like breadth-first and depth-first search. The course begins with core terminology and complexity analysis before moving into hands-on implementation of linear and non-linear structures. You will work through practical examples and code snippets focused on modern Java implementation practices. This course is designed for absolute beginners in programming or those new to Java who want a solid theoretical and practical foundation in computer science fundamentals. No prior knowledge of data structures or algorithms is required. Start building your deep understanding of efficient Java programming today.

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
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  • 🎧 Audio version included
    Learn on the go — no screen needed
  • ♾️ 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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PickAClass
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Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Data Structures and Algorithms in Java Fundamentals
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 Fundamentals
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.

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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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