Advanced Java: Concurrency, JUnit & Spring Boot
The Java Developer Advanced Training by Koenig Original equips experienced Java developers, software engineers, and backend programmers with advanced skills in concurrency, memory management, performance tuning, and Spring Boot to solve complex enterprise application challenges. With over 9 million Java developers worldwide relying on robust coding practices, this course bridges the gap between foundational knowledge and real-world implementation demands.
This course prepares learners for the Oracle Certified Professional: Java SE 21 Developer (1Z0-830) certification, featuring Guaranteed-to-Run live training dates and 30-day lab access. Graduates gain mastery in modern Java development, enabling career advancement into senior developer or architect roles with industry-recognized expertise.
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Course Overview
The Java Developer Advanced Training by Koenig Original is designed for experienced developers aiming to master advanced Java concepts and prepare for high-demand software engineering roles. This course provides comprehensive coverage of core topics including memory management, multithreading and concurrency, the Java Collections Framework, and an introduction to Spring Boot. Geared toward job roles such as Senior Java Developer, Backend Engineer, and Software Architect, the program addresses a critical industry need—Java remains one of the most widely used programming languages, with over 90% of Fortune 500 companies relying on it for enterprise systems. Participants receive a structured refresher on Java fundamentals before advancing to complex, real-world development challenges.
Students engage in hands-on learning using industry-standard tools and platforms, including JUnit, Mockito, Maven, and Spring Boot, all within a cloud-based lab environment that simulates real development workflows. The course includes 64 hours of live training with practical labs where learners build and test multi-threaded applications, optimize performance through profiling, and implement dependency injection using Spring. One key project involves designing a scalable backend service that integrates unit and integration testing frameworks, mirroring the kind of work performed in modern software teams. These labs are conducted through Koenig’s interactive online platform, ensuring direct application of theoretical knowledge.
This training prepares candidates for professional recognition in Java development, reinforcing skills that are highly valued in the tech industry. Graduates report career advancements with average salary increases of up to 30%, particularly in roles requiring expertise in enterprise Java applications. A key differentiator of Koenig Original’s Java Developer Advanced Training is its Guaranteed-to-Run delivery model and access to expert instructors via 1-on-1 sessions, ensuring personalized learning support. By completing this course, developers position themselves for long-term success in building robust, high-performance Java applications across diverse enterprise environments.
What You'll Learn
Prerequisites
- Strong proficiency in core Java programming, including classes, objects, inheritance, and exception handling.
- Hands-on experience with Java Collections Framework, specifically List, Set, and Map implementations.
- Solid understanding of multithreading and concurrency concepts.
- Familiarity with JDBC for database connectivity and SQL query execution.
- Knowledge of XML parsing using JAXP and Java file I/O operations.
- Experience with GUI development using Swing and AWT libraries.
Certification Exam
Everything you need to know about the Advanced Java: Concurrency, JUnit & Spring Boot certification exam
What's Included in Your Training
Every enrollment comes packed with resources to maximise your learning and exam success
Exam Preparation Materials
Practice Test Questions (200+)
Certificate of Completion
Post-Training Support (30 days)
Session Recording Access
Free Rescheduling (7+ days notice)
Career Outcomes
of Advanced Java: Concurrency, JUnit & Spring Boot certified professionals report career advancement within 6 months
Salary Impact
Average salary increase reported after obtaining the Advanced Java: Concurrency, JUnit & Spring Boot certification
*Source: Glassdoor / LinkedIn 2025
Job Roles
- Senior Java Developer
- Java Full Stack Developer
- Spring Boot Developer
- Microservices Developer
- Backend Engineer
- Full Stack Engineer
Companies Hiring
and 5,000+ organizations worldwide seeking Advanced Java: Concurrency, JUnit & Spring Boot certified professionals
Course Student Reviews
Real results from IT professionals who trained with Koenig — rated 4.9/5 from 18,400+ verified reviews.
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★★★★★
“Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”
AZ-104 Certified ✓ Verified -
★★★★★
“I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”
Enterprise Client ✓ Verified -
★★★★★
“The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”
PL-300 Certified ✓ Verified -
★★★★★
“From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”
AZ-305 Expert ✓ Verified -
★★★★★
“As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”
100+ Learners Trained ✓ Verified -
★★★★★
“SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”
SC-300 Certified ✓ Verified -
★★★★★
“AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”
AI-102 Certified ✓ Verified -
★★★★★
“DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”
DP-600 Certified ✓ Verified -
★★★★★
“Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”
AZ-400 Team Training ✓ Verified -
★★★★★
“Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”
AZ-104 Certified ✓ Verified -
★★★★★
“I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”
Enterprise Client ✓ Verified -
★★★★★
“The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”
PL-300 Certified ✓ Verified -
★★★★★
“From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”
AZ-305 Expert ✓ Verified -
★★★★★
“As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”
100+ Learners Trained ✓ Verified -
★★★★★
“SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”
SC-300 Certified ✓ Verified -
★★★★★
“AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”
AI-102 Certified ✓ Verified -
★★★★★
“DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”
DP-600 Certified ✓ Verified -
★★★★★
“Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”
AZ-400 Team Training ✓ Verified
-
★★★★★
“Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”
AZ-104 Certified ✓ Verified -
★★★★★
“I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”
Enterprise Client ✓ Verified -
★★★★★
“The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”
PL-300 Certified ✓ Verified -
★★★★★
“Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”
AZ-104 Certified ✓ Verified -
★★★★★
“I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”
Enterprise Client ✓ Verified -
★★★★★
“The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”
PL-300 Certified ✓ Verified
-
★★★★★
“From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”
AZ-305 Expert ✓ Verified -
★★★★★
“As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”
100+ Learners Trained ✓ Verified -
★★★★★
“SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”
SC-300 Certified ✓ Verified -
★★★★★
“From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”
AZ-305 Expert ✓ Verified -
★★★★★
“As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”
100+ Learners Trained ✓ Verified -
★★★★★
“SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”
SC-300 Certified ✓ Verified
-
★★★★★
“AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”
AI-102 Certified ✓ Verified -
★★★★★
“DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”
DP-600 Certified ✓ Verified -
★★★★★
“Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”
AZ-400 Team Training ✓ Verified -
★★★★★
“AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”
AI-102 Certified ✓ Verified -
★★★★★
“DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”
DP-600 Certified ✓ Verified -
★★★★★
“Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”
AZ-400 Team Training ✓ Verified
Frequently Asked Questions
Everything you need to know about the Advanced Java: Concurrency, JUnit & Spring Boot training course
Is the certification exam included in the Java Developer Advanced Training, and what is the cost if separate?
What training formats are available for the Java Developer Advanced Training, and does it include Guaranteed-to-Run scheduling?
How long is lab access provided, and what type of environment is used during the Java Developer Advanced Training?
What is Koenig's rescheduling and cancellation policy for the Java Developer Advanced Training?
What is the format, number of questions, passing score, and time limit for the Java SE 21 Developer certification exam?
How long is the Oracle Java SE 21 Developer certification valid, and what is the renewal process?
What post-training support does Koenig provide after completing the Java Developer Advanced Training?
What are the prerequisites or prior experience needed for the Java Developer Advanced Training?
What salary increase or career impact can one expect after completing the Java Developer Advanced Training?
How does Koenig's Java Developer Advanced Training compare to self-study options in terms of effectiveness and outcomes?
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