Java SE 17: Core Data Structures and Generics — PickAClass
⏱ 3h 📚 30 lessons

Java SE 17: Core Data Structures and Generics

Master Java's essential data structures and generics to build efficient, type-safe applications, perfect for new Java developers.

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  • 🌐 In English
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About this course

Struggling to organize complex data or ensure type safety in your Java applications? Understanding how to effectively manage and manipulate data is fundamental to writing robust and scalable software. This course will equip you with a foundational understanding of how to effectively use and implement Java's core data structures and generics, enabling you to build more powerful and maintainable software. Upon completion, you will be proficient in selecting and applying appropriate data structures for various programming tasks and leveraging generics to create flexible, type-safe, and reusable code, significantly enhancing your Java development skills. What you'll learn: * Learn fundamental Java data structures including arrays, lists, sets, and maps. * Apply generics to create flexible, reusable, and type-safe classes and methods. * Understand immutability principles and implement data objects efficiently using Java records. * Practice common data manipulation patterns with the Stream API for collections. * Design and implement custom data structures to solve specific programming challenges. * Debug and resolve common issues encountered when working with collections and generic types. This course begins by establishing foundational concepts and key terminology, gradually progressing to practical applications and implementation details through clear, written explanations and code snippets. You will first build a strong understanding of core principles before diving into hands-on examples. This course is designed for absolute beginners to Java development or those with basic programming knowledge looking to deepen their understanding of core Java concepts. No prior experience with data structures or generics is required. Begin your journey to writing more sophisticated and efficient Java applications today.

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
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  • ♾️ Lifetime access
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  • 📱 Phone or computer
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  • 💸 14-day refund
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  • 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.

P
PickAClass
Skills profile · verifiable
Document
Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Java SE 17: Core Data Structures and Generics
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 SE 17: Core Data Structures and Generics
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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