Java Data Structures and Algorithms: Solve Complex Problems — PickAClass
4.0 (5) ⏱ 2h 48m 📚 28 lessons 🎧 Audio version

Java Data Structures and Algorithms: Solve Complex Problems

Develop your logical thinking and coding efficiency by mastering fundamental computer science concepts and problem-solving techniques in Java.

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About this course

Knowing programming syntax is only the first step; the real challenge lies in knowing how to organize data and design efficient solutions to complex problems. This course bridges that gap by focusing on logical thinking and core computer science principles using Java. You will transition from simply writing working code to writing optimized, scalable solutions. By understanding how different data structures store information and how key algorithms process it, you will build the analytical mindset needed to pass technical interviews and design robust software systems. What you'll learn: - Understand the foundational principles of Big O notation to analyze and optimize code performance. - Implement essential sorting and searching algorithms from scratch using Java. - Construct and manipulate core data structures including linked lists, stacks, queues, and trees. - Apply advanced problem-solving strategies like dynamic programming and greedy algorithms to classic challenges. - Utilize modern Java features, such as records and the built-in Collections framework, to write clean, efficient algorithmic code. - Practice breaking down complex logical problems into clear, step-by-step programmatic solutions. The course begins with foundational concepts of time complexity and basic data organization before moving step-by-step through sorting methods, structural implementations, and advanced algorithmic strategies. You will learn through clear written explanations, conceptual breakdowns, and practical Java code snippets. This course is designed for beginner developers, computer science students, and self-taught programmers who have a basic grasp of Java syntax and want to elevate their problem-solving and logical thinking skills. Start thinking like a computer scientist and unlock your potential to solve any programming challenge.

What you'll get

  • 📜 Certificate of completion
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  • 🎧 Audio version included
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  • 📱 Phone or computer
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  • 💸 14-day refund
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  • Short & focused
    2h 48m 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: Solve Complex Problems
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 and Algorithms: Solve Complex Problems
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.

Reviews (5)

مريم DZ Verified learner
★ 4 · July 29, 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.

Michael Perez US Verified learner
★ 4 · July 23, 2026

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

Mikael Laine FI Verified learner
★ 5 · July 16, 2026

Decent course. The structure was mostly clear, though a few examples could have used a bit more detail. Still, learned a lot.

Stavros Katsaros GR
★ 4 · July 13, 2026

This was a brilliant way to learn! The structure was logical, the pace was spot on, and the examples were super helpful. Highly recommend!

Mia Wright GB Verified learner
★ 3 · July 5, 2026

Good introduction to the topic. The structure was logical, and most of the examples were relevant, though I wished for more depth in certain areas.

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Just a phone or computer with internet. No installs, no special hardware.

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Yes — 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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