Graph Data Structures and Algorithms in Java — PickAClass
★ 4.0 (1) ⏱ 2h 36m 📚 26 lessons 🎧 Audio version

Graph Data Structures and Algorithms in Java

Learn to represent, build, and traverse graph data structures in Java using modern coding standards and clean collection frameworks.

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About this course

Graph data structures are essential for solving complex real-world problems, from mapping social networks to optimizing delivery routes. Understanding how to model and traverse these networks is a fundamental skill for any developer looking to write efficient backend logic. This written course guides you through the core concepts of graph theory and shows you how to implement them from scratch in Java. You will transition from understanding basic node connections to writing clean, optimized traversal algorithms using modern Java features. What you'll learn: - Understand fundamental graph concepts, including directed, undirected, weighted, and unweighted graphs. - Represent graphs in Java code using adjacency lists and adjacency matrices. - Implement nodes and edges cleanly using modern Java features like records and generic types. - Master Breadth-First Search (BFS) and Depth-First Search (DFS) traversal algorithms. - Apply modern Java Collections API methods to manage graph data efficiently. - Practice implementing graph algorithms through clear, step-by-step code explanations and written exercises. You will start with essential terminology and structural foundations before moving on to hands-on Java implementations. The course concludes with practical traversal algorithms and optimization strategies, ensuring you understand both the theory and the code. This course is designed for beginner to intermediate Java developers who want to master fundamental computer science concepts. A basic familiarity with Java syntax is recommended, but no prior experience with graph theory is required. Start reading today to build a solid foundation in graph algorithms.

Course contents

What you'll get

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  • ⚡ Short & focused
    2h 36m 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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has successfully demonstrated mastery of
Graph Data Structures and Algorithms in Java
Skills demonstrated
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1.2 hrs
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Decision-architecture frameworks
Proficient
1.4 hrs
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1.7 hrs
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Graph Data Structures and Algorithms in Java
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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 (1)

কবির আহমেদ BD
★ 4 · May 25, 2026

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

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