Java Data Structures: Fundamentals and Implementation — PickAClass
⏱ 2h 42m 📚 27 lessons

Java Data Structures: Fundamentals and Implementation

Learn how to implement essential data structures in Java, optimizing your code efficiency and preparing you for complex algorithm design challenges.

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About this course

Writing efficient and scalable Java code requires a deep understanding of how data is stored and organized. This course provides a complete foundational guide to classic data structures, teaching you to implement them from scratch using modern Java principles. You will transform from a programmer who uses built-in collections to one who understands the underlying mechanisms. What you'll learn: * Understand the performance characteristics (Big O notation) of core operations across different structures. * Implement fundamental linear structures like linked lists, stacks, and queues using Java. * Construct non-linear structures including trees (Binary Search Trees) and hash tables (HashMaps). * Practice using the Java Collections Framework effectively, leveraging generics for robust type safety. * Apply data structures to solve common programming problems and improve code efficiency. The course begins with foundational concepts and Big O analysis before guiding you through the step-by-step written implementation of each major data structure. Practical written exercises reinforce theoretical knowledge and programming practice. This course is designed for absolute beginners in data structures who already have a basic working knowledge of Java syntax and programming fundamentals. No prior experience with advanced algorithms is required. Start building the essential foundation for mastering efficient Java development today.

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
    Stuck on a lesson? Ask your built-in tutor anything, any time.
  • ♾️ Lifetime access
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  • 📱 Phone or computer
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  • 💸 14-day refund
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  • Short & focused
    2h 42m 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
Skills profile · verifiable
Document
Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Java Data Structures: Fundamentals and Implementation
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
Java Data Structures: Fundamentals and Implementation
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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