Java Training in Gaia

This instructor-led live training, conducted in Gaia (online or onsite), targets intermediate-level Java developers who wish to explore the latest features of Java 21, improve their coding practices, and efficiently implement modern Java applications.

By the end of this training, participants will be able to:

• Comprehend and apply the new features introduced in Java 21.
• Boost application performance through advanced Java functionalities.
• Construct modular and scalable applications using updated libraries.
• Apply Java 21 best practices to ensure robust and efficient code.

This instructor-led, live training in Gaia (online or onsite) is designed for intermediate-level Java developers who aim to design, develop, deploy, and maintain applications based on microservices using Java frameworks such as Spring Boot and Spring Cloud.

Upon completion of this training, participants will be able to:

• Grasp the principles and advantages of microservices architecture.
• Construct and deploy microservices using Java and Spring Boot.
• Implement service discovery, configuration management, and API gateways.
• Effectively secure, monitor, and scale microservices.
• Deploy microservices using Docker and Kubernetes.

Java Production Support is a specialized discipline focused on maintaining, troubleshooting, and ensuring the stability of Java-based systems within live environments.

This instructor-led live training, available online or onsite, is designed for intermediate-level support engineers and developers looking to strengthen their skills in maintaining, troubleshooting, and optimizing Java-based production systems within the banking sector.

Upon completion of this training, participants will be capable of:

• Resolving issues within Java, Unix, Database, and middleware environments.
• Utilizing monitoring tools to detect and respond to production incidents.
• Adhering to established escalation paths and documenting root causes effectively.
• Participating in release and rollback cycles while coordinating across various teams.

Course Format

• Interactive lectures and discussions.
• Practical application of real-world support tools and systems.
• Live simulation of incidents and troubleshooting scenarios.

Customization Options

• To arrange customized training tailored to your specific technology stack, toolset, or support workflows, please contact us.

Spring is a robust Java framework designed to simplify enterprise application development by offering powerful dependency injection, a modular architecture, and streamlined configuration options.

This instructor-led live training (available online or onsite) is tailored for beginner-level Java developers who wish to create modern, production-ready web applications using the latest versions of the Spring Framework, Spring Boot 3.5.5, and Java 21.

Upon completion of this training, participants will be able to:

• Grasp Spring’s core principles, including IoC, DI, and AOP.
• Configure Spring applications using XML, annotations, and JavaConfig.
• Develop RESTful services leveraging Spring Boot and JPA.
• Implement CRUD operations, manage transactions, and handle data persistence.
• Utilize advanced Spring features such as profiles, exception handling, and data serialization.

Course Format

• A concise theoretical introduction followed by extensive practical exercises.
• Hands-on implementation using real-world examples.
• Interactive discussions and guided troubleshooting.

Customization Options

• To request tailored training for this course, please contact us to arrange your session.

This instructor-led, live training in Gaia (online or onsite) is aimed at developers who wish to learn and apply the basics of Continuous Integration for Java.

By the end of this training, participants will be able to:

• Learn and understand CI for a Java project.
• Build a CI system for Java.

This instructor-led live training in Gaia (online or onsite) is aimed at intermediate-level Java developers who wish to apply design patterns to improve software structure, maintainability, and scalability.

By the end of this training, participants will be able to:

• Understand the purpose and benefits of design patterns.
• Apply Creational, Structural, and Behavioral patterns effectively in Java.
• Improve code reusability, scalability, and maintainability.
• Refactor existing codebases using design patterns.

This instructor-led, live training in Gaia (online or onsite) is aimed at beginner-level developers who wish to learn the basics of Groovy Programming.

By the end of this training, participants will be able to:

• Understand the basic programming concepts.
• Write simple Groovy scripts and utilize Groovy core features.
• Understand and apply basic principles of object-oriented programming using Groovy.
• Learn basic error-handling techniques to manage common programming errors and exceptions in Groovy.

This instructor-led, live training in Gaia (available online or onsite) is tailored for intermediate to advanced developers seeking to master the development of microservices using Spring Boot, Docker, and Kubernetes.

By the end of this training, participants will be able to:

• Grasp the principles of microservices architecture.
• Create production-ready microservices using Spring Boot.
• Understand the critical role of Docker in containerising microservices.
• Configure Kubernetes clusters to deploy and orchestrate microservices.

This instructor-led, live training in Gaia (online or onsite) is aimed at intermediate-level to advanced-level developers and architects who wish to develop Java native applications and microservices using Quarkus with optimized memory usage and startup time.

By the end of this training, participants will be able to:

• Develop high-performance, lightweight Java native applications using Quarkus.
• Build and deploy RESTful services and microservices architectures.
• Use GraalVM for native compilation and optimize startup and memory efficiency.
• Package and containerize applications for Kubernetes and OpenShift environments.

Spring WebFlux is a reactive programming module within the Spring Framework designed for building non-blocking, event-driven web applications.

This instructor-led, live training (online or onsite) is aimed at beginner-level to intermediate-level Java developers who wish to build scalable and responsive applications using Spring WebFlux.

By the end of this training, participants will be able to:

• Comprehend the fundamentals of reactive programming using Project Reactor.
• Develop and test non-blocking RESTful APIs with Spring WebFlux.
• Integrate WebFlux with databases and external services.
• Apply reactive patterns to real-world application scenarios.

Format of the Course

• Interactive lecture and discussion.
• Lots of exercises and practice.
• Hands-on implementation in a live-lab environment.

Course Customization Options

• To request a customized training for this course, please contact us to arrange.

This instructor-led, live training in Gaia (online or onsite) is aimed at software architects and web developers who wish to use RabbitMQ as a messaging middleware and program in Java using Spring to build applications.

By the end of this training, participants will be able to:

• Use Java and Spring with RabbitMQ to build applications.
• Design asynchronous message driven systems using RabbitMQ.
• Create and apply queues, topics, exchanges, and bindings in RabbitMQ

This instructor-led, live training in Gaia is tailored for anyone keen on learning Java specifically for test automation. It is a streamlined, intensive course packed with hands-on exercises designed to help participants quickly acquire the essential programming skills required for software automation testing. The emphasis is squarely on Java fundamentals that can be directly and immediately applied to test automation.

This course does not delve into advanced test automation frameworks such as Selenium. Furthermore, it skips the traditional "Hello World" approach to learning Java, as it is not an application development course. The primary goal is to get participants up and running with test automation as quickly as possible. If you are already proficient in Java and wish to move directly into testing with Selenium, please consider: Introduction to Selenium (https://www.nobleprog.com/introduction-selenium-training).

During the training, participants will gain a clear understanding of the specific applications of selected topics, the common challenges associated with their use, and the role of the application model. The course also covers foundational knowledge of the Java standard library functions. Attendants are required to have prior experience with an Integrated Development Environment (IDE) used for building Java applications, such as Eclipse or NetBeans. Please note that this training does not cover user interface development.

Even seasoned Java developers do not always fully master the diverse security services provided by Java, nor are they necessarily aware of the various vulnerabilities that impact web applications written in Java.

Besides introducing the security components of Standard Java Edition, this course addresses security challenges in Java Enterprise Edition (JEE) and web services. The discussion of specific services is grounded in the fundamentals of cryptography and secure communication. Through various exercises, participants explore declarative and programmatic security techniques in JEE, while examining both transport-layer and end-to-end security for web services. All components are illustrated through practical exercises, allowing participants to experiment with the discussed APIs and tools firsthand.

The course also covers and explains the most common and severe programming flaws in the Java language and platform, as well as web-related vulnerabilities. Beyond typical errors made by Java developers, the security vulnerabilities addressed encompass both language-specific issues and problems arising from the runtime environment. All vulnerabilities and relevant attacks are demonstrated through accessible exercises, followed by recommended coding guidelines and potential mitigation techniques.

Participants attending this course will

• Understand fundamental concepts of security, IT security, and secure coding
• Learn about web vulnerabilities beyond the OWASP Top Ten and know how to avoid them
• Understand security concepts for web services
• Learn to utilize various security features of the Java development environment
• Gain a practical understanding of cryptography
• Understand security solutions within Java EE
• Learn about typical coding mistakes and how to avoid them
• Receive information on recent vulnerabilities in the Java framework
• Acquire practical knowledge in using security testing tools
• Access resources and further readings on secure coding practices

Audience

Developers

Apache Groovy is a dynamic programming language for the JVM (Java Virtual Machine). Key features encompass scripting capabilities, Domain-Specific Language creation, runtime and compile-time meta-programming, and functional programming. Groovy is frequently employed to complement Java.

During this instructor-led live training, participants will master Groovy programming by building a sample application step-by-step.

Audience

• Developers

Course Format

• A blend of lectures, discussions, exercises, and extensive hands-on practice

This course provides a comprehensive introduction to the foundational aspects of Java development.

Students will be introduced to Java technology, learning its core syntax and essential concepts to successfully build a basic application. The training covers the key features of the Java Programming Language, with a focus on exception handling, fundamental input and output operations, concurrency, regular expressions, the Java Collections Framework, and the platform environment. The course concludes once all essential Java capabilities have been thoroughly explained and practiced.

This instructor-led, live training Gaia (online or onsite) is designed for DevOps engineers and developers who wish to leverage Java and Kubernetes (K8s) to create, build, test, debug, and deploy high-performance and scalable applications.

By the end of this training, participants will be able to:

• Set up the necessary development environment to build Java applications.
• Understand the features and architecture of Kubernetes.
• Learn about the key concepts and tools for DevOps.
• Get a refresher on Java programming fundamentals.
• Containerize Java microservices using Docker.
• Build, scale, and deploy Java applications on Kubernetes.

During the Gaia training, participants will explore the processes and contemporary tools necessary for producing efficient Java software. They will learn about performance-related pitfalls, benchmarking, profiling, tuning, memory analysis, and optimization strategies using collections or I/O. The acquired knowledge and tools are applicable irrespective of the project's technology stack, as the emphasis is placed on language-level performance, utilities, and embedded libraries. Tuning discussions focus on JVM parameters provided by Oracle.

This instructor-led live training in Gaia (online or onsite) is aimed at developers who wish to use Quarkus to build, test, and deploy applications, fully-powered with Java, but with less resource utilization.

By the end of this training, participants will be able to:

• Set up the necessary development environment to start developing applications with Quarkus.
• Build, compile, and run applications in native mode using GraalVM.
• Utilize Quarkus tooling and extensions for building native applications using Maven.
• Containerize, execute, and deploy applications with Docker.

This course explores secure coding principles and practices for Java, utilizing the testing methodologies established by the Open Web Application Security Project (OWASP). The Open Web Application Security Project is a vibrant online community dedicated to producing freely accessible articles, methodologies, documentation, tools, and technologies focused on web application security.

This instructor-led live training in Gaia (online or onsite) is aimed at web developers who wish to build functional front-end and back-end web applications with Spring Boot, React, and Redux.

By the end of this training, participants will be able to:

• Build a front-end application with React and Redux.
• Create RESTful APIs with Spring Boot.
• Secure web services with Spring security and JWT web tokens.

This instructor-led, live training in Gaia (online or onsite) is aimed at Java developers who wish to use the Spring 5 framework to develop and deploy build enterprise web applications.

By the end of this training, participants will be able to:

• Install and configure Spring 5.
• Understand and implement Spring 5's latest features.
• Access databases with Spring Application.
• Use the new reactive web framework, WebFlow, to make an application reactive.
• Integrate a Spring application with legacy Java EE applications.
• Test and deploy an enteprise-grade Spring application.

This instructor-led, live training in Gaia (online or onsite) is tailored for developers who want to leverage WebFlux to create and deploy reactive applications.

Upon completion of this training, participants will be able to:

• Install and configure Spring 5 and the WebFlux framework.
• Develop reactive applications and services.