Foundations of Data Structures and Algorithms in Java — PickAClass
★ 4.0 (6) ⏱ 2h 48m 📚 28 lessons

Foundations of Data Structures and Algorithms in Java

Build a strong foundation in programming logic by mastering essential data organization and algorithm analysis using Java.

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About this course

Efficient programming is about more than just syntax; it is about writing code that scales and performs under pressure. Understanding how data is stored and processed is the defining skill that separates a coder from a software engineer. This course provides a clear path to mastering the logic behind high-performance applications. You will transition from writing basic scripts to designing optimized solutions by learning how to select the right data structures and algorithms for any computational task. By focusing on the underlying principles of efficiency, you will learn to write Java code that is both elegant and professional. What you'll learn: - Understand fundamental data structures and their roles in modern software development - Analyze code efficiency using Big O notation to measure time and space complexity - Implement core sorting algorithms including bubble sort, quicksort, and mergesort - Master recursion to solve complex, nested problems with structured Java logic - Explore the Java Collections Framework to leverage built-in data handling tools - Practice identifying the most efficient algorithm for specific real-world scenarios - Apply modern Java features like Generics to create flexible and reusable structures The course begins with essential terminology and the mathematical foundations of complexity before moving into the practical implementation of various structures and sorting techniques. You will progress through detailed written explanations and logic-based exercises designed to reinforce your problem-solving capabilities. This course is designed for beginner programmers who have a basic grasp of Java syntax and want to level up their technical skills. No prior experience with algorithms or data structures is required. Start your journey toward writing professional-grade, optimized Java code today.

Course contents

What you'll get

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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
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Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Foundations of Data Structures and Algorithms in Java
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
Foundations of Data Structures and Algorithms in Java
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
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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 (6)

Kenichi Suzuki KE Verified learner
★ 4 · October 10, 2026

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

Đỗ Văn Dũng VN
★ 4 · August 21, 2026

Decent course. The structure was logical, and it covered the essentials well. A few of the explanations were a bit dense, but manageable.

Hans Hansen DK
★ 4 · August 9, 2026

It's a solid course. The structure is logical and most of the examples were helpful. Could use a few more real-world scenarios though.

Liam O'Connell IE Verified learner
★ 4 · August 6, 2026

It's a good course if you have some prior knowledge. For absolute beginners, some concepts might be a bit challenging. The structure is logical, though.

Sakinah binti Ibrahim MY Verified learner
★ 4 · June 26, 2026

Decent introduction. It covers the basics effectively, but I wish there were more advanced topics or detailed examples for complex parts.

Riley Gray AU Verified learner
★ 4 · June 17, 2026

Decent introduction. The structure was logical, but I wish there had been more hands-on practice beyond the basic examples.

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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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