Java Data Structures and Algorithms: A Practical Guide — PickAClass
⏱ 3h 📚 30 lessons 🎧 Audio version

Java Data Structures and Algorithms: A Practical Guide

Master essential computer science concepts and write efficient Java code to solve complex programming problems with confidence.

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  • 🌐 In English
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About this course

Understanding how to organize data and solve problems efficiently is the hallmark of a strong software developer. This text-based course guides you through the core concepts of data structures and algorithms using Java. You will transition from writing basic code to designing highly optimized, scalable applications. By learning how to select the right tools for storing data and the most efficient paths for processing it, you will write cleaner, faster, and more professional Java programs. What you'll learn: - Understand foundational computer science concepts, starting with Big O notation and time complexity analysis. - Implement fundamental data structures including arrays, linked lists, stacks, and queues from scratch in Java. - Master advanced structures like trees, heaps, hash tables, and graphs to manage complex data relationships. - Apply essential sorting and searching algorithms to organize and retrieve information efficiently. - Write clean, modern Java code utilizing type safety, generics, and the built-in Java Collections Framework. - Practice problem-solving strategies to break down algorithmic challenges into structured, logical solutions. You will begin by learning key terminology and foundational concepts before advancing step-by-step through practical implementations and real-world coding scenarios. This course is designed for beginner programmers and aspiring software engineers who have a basic understanding of Java syntax and want to build a strong computer science foundation. No prior algorithm experience is required. Start reading today to elevate your programming skills and write more efficient Java code.

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.
  • 🎧 Audio version included
    Learn on the go — no screen needed
  • ♾️ Lifetime access
    Come back anytime, no expiry
  • 📱 Phone or computer
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  • 💸 14-day refund
    No questions asked
  • 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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PickAClass
Skills profile · verifiable
Document
Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Java Data Structures and Algorithms: A Practical Guide
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 and Algorithms: A Practical Guide
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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