Practical Java Debugging and Performance Tuning — PickAClass
⏱ 2h 42m 📚 27 lessons 🎧 Audio version

Practical Java Debugging and Performance Tuning

Equip yourself with essential skills to diagnose and resolve bugs and performance bottlenecks in Java applications.

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  • 🌐 In English
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About this course

Java applications can be complex, and understanding how to effectively find and fix issues is crucial for any developer. This course provides a foundational understanding of debugging and performance tuning, enabling you to write more stable, efficient, and reliable Java code. What you'll learn: * Understand core Java debugging concepts and strategies. * Practice using an Integrated Development Environment (IDE) debugger to step through code and inspect variables. * Identify common error types and trace their origins in Java applications. * Apply effective logging techniques using modern frameworks for better diagnostics. * Learn the basics of Java Virtual Machine (JVM) performance and memory management. * Utilize fundamental profiling tools to pinpoint performance bottlenecks. * Configure modern build tools for streamlined debugging and analysis workflows. The course begins with foundational concepts, guiding you through practical debugging techniques before moving on to performance basics and profiling. Each section builds on the previous, ensuring a comprehensive understanding. This course is designed for absolute beginners in Java development, with no prior experience in debugging or performance tuning required. Start mastering the art of creating robust Java applications today.

Course contents

What you'll get

  • 📜 Certificate of completion
    Add it to your LinkedIn profile
  • 💬 Personal AI tutor
    Stuck on a lesson? Ask your built-in tutor anything, any time.
  • 🎧 Audio version included
    Learn on the go — no screen needed
  • ♾️ Lifetime access
    Come back anytime, no expiry
  • 📱 Phone or computer
    Works anywhere, any device
  • 💸 14-day refund
    No questions asked
  • ⚡ 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
Practical Java Debugging and Performance Tuning
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
Practical Java Debugging and Performance Tuning
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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