Java Collections: Fundamentals of Iteration — PickAClass
⏱ 2h 42m 📚 27 lessons 🎧 Audio version

Java Collections: Fundamentals of Iteration

Gain foundational skills to efficiently traverse Java collection types like List, Set, Queue, and Map using iterators and the Streams API.

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About this course

Are you looking to effectively process and manipulate data stored in Java collections? This course provides a comprehensive introduction to the essential techniques for iterating over various Java data structures, equipping you with the knowledge to handle your data with confidence. By the end of this course, you will master the core patterns for accessing and manipulating elements within different Java collection types, ensuring you can write robust and efficient code for data processing. What you'll learn: * Learn foundational concepts of the Java Collection Framework * Apply Iterator and ListIterator for sequential data access * Traverse List, Set, Queue, and Map data structures efficiently * Understand and prevent ConcurrentModificationException during iteration * Utilize the Streams API for declarative and functional collection processing * Practice writing clear and performant iteration logic for various scenarios This course starts with an exploration of fundamental collection concepts and then progresses to traditional iteration methods. It concludes by introducing modern approaches like the Streams API for comprehensive and contemporary data handling. This course is designed for beginners with basic Java knowledge who have no prior experience with collections or iterators. Begin your journey to confidently work with Java collections.

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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  • Short & focused
    2h 42m 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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Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Java Collections: Fundamentals of Iteration
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 Collections: Fundamentals of Iteration
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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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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