Java Data Structures and Algorithms for Coding Interviews — PickAClass
4.0 (1) ⏱ 2h 48m 📚 28 lessons 🎧 Audio version

Java Data Structures and Algorithms for Coding Interviews

Build a strong foundation in DSA using Java to solve complex programming problems and excel in technical interviews.

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About this course

Understanding how to organize and manipulate data is the hallmark of a skilled software engineer. This course provides a clear, text-based path to mastering the core concepts required to pass technical interviews and build high-performance applications. You will move beyond just writing code that works to writing code that is efficient and scalable. By the end of this course, you will be able to analyze the complexity of any solution and choose the right data structure for any given problem. * Learn to evaluate code efficiency using Big O notation and time-space complexity. * Implement foundational structures like Linked Lists, Stacks, Queues, and Hash Tables from scratch. * Master advanced structures including Binary Search Trees, Heaps, and Graphs. * Apply essential sorting and searching algorithms such as Quick Sort, Merge Sort, and Binary Search. * Understand modern Java Collections Framework best practices and the use of Generics for type-safe structures. * Practice problem-solving logic inspired by common technical interview challenges. The course begins with essential terminology and the mathematical foundations of algorithm analysis. You will then progress through written explanations and code-focused walkthroughs of each data structure, culminating in algorithmic strategies like recursion and dynamic programming. This course is designed for beginner programmers and computer science students who want to strengthen their problem-solving skills. No prior experience with algorithms is required, though a basic understanding of Java syntax is helpful. Start your journey toward mastering technical interviews today.

What you'll get

  • 📜 Certificate of completion
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  • 💬 Personal AI tutor
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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 for Coding Interviews
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 for Coding Interviews
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 (1)

Jana Dvořáková CZ 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.

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Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.

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