Intermediate Java Programming: Arrays, Strings, and Core Structures — PickAClass
⏱ 2h 30m 📚 25 lessons 🎧 Audio version

Intermediate Java Programming: Arrays, Strings, and Core Structures

Build on your foundational Java knowledge by mastering arrays, string manipulation, and modern memory management concepts for cleaner, more efficient code.

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About this course

Ready to move beyond basic variables and loops in Java? To write professional, real-world software, you need to understand how to store, manipulate, and process complex data structures efficiently. This text-based course guides you through intermediate Java programming, transforming you from a basic syntax writer into a developer who understands memory allocation, data collection, and robust string handling. You will learn to read, write, and optimize Java code using modern best practices. What you'll learn: - Understand how Java manages memory for arrays and objects in the heap and stack - Manipulate text efficiently using String, StringBuilder, and modern text blocks - Implement and traverse single and multi-dimensional arrays for complex data storage - Apply modern Java features like local variable type inference to write cleaner code - Practice basic error prevention and debugging techniques for data structures The course starts with foundational definitions of memory allocation and reference types before moving into practical, step-by-step written exercises on arrays and string manipulation. You will read clear explanations, analyze real-world code snippets, and complete text-based challenges to solidify your skills. This course is designed for learners who know basic Java syntax and want to transition to intermediate programming concepts. No prior experience with advanced data structures is required. Start reading today to elevate your Java programming skills to the next level.

Course contents

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
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  • 🎧 Audio version included
    Learn on the go — no screen needed
  • ♾️ Lifetime access
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  • 📱 Phone or computer
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  • 💸 14-day refund
    No questions asked
  • ⚡ Short & focused
    2h 30m 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
Intermediate Java Programming: Arrays, Strings, and Core Structures
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
Intermediate Java Programming: Arrays, Strings, and Core Structures
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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