Java Data Structures: Implementing Linked Lists — PickAClass
⏱ 2h 42m 📚 27 lessons 🎧 Audio version

Java Data Structures: Implementing Linked Lists

Learn the theoretical concepts and practical application of linked lists to write more efficient and organized Java programs.

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About this course

Understanding how data is organized is the critical foundation for writing high-performance software. This course focuses on the core mechanics of sequential data storage, giving you a deep insight into how fundamental structures work. This training transforms you from someone who relies solely on built-in collections to a programmer who can design, implement, and analyze custom list structures, significantly improving your ability to solve complex programming challenges. ### What you'll learn * Understand the fundamental principles of data structures and abstract data types (ADTs) in the context of Java. * Design and implement robust custom singly linked lists using modern Java generics for type safety. * Master the complexity of doubly linked lists, including efficient insertion and deletion operations at various positions. * Practice implementing circular linked lists and identifying their optimal use cases in software design. * Apply basic Big O notation to analyze the time and space efficiency of common list operations like searching and traversal. * Configure comprehensive list methods including traversal, searching, and size management from scratch. The course begins with key terminology and the conceptual difference between arrays and linked structures. We then systematically guide you through building, testing, and refining custom implementations for singly, doubly, and circular linked lists, emphasizing clean, readable code and systematic debugging. This course is designed for absolute beginners to data structures who have a foundational knowledge of Java syntax. No prior experience with custom data structure implementation is required. Start mastering the building blocks of efficient 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
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  • ♾️ 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
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Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Java Data Structures: Implementing Linked Lists
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
Java Data Structures: Implementing Linked Lists
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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