Java Training in Thessaloniki

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

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

• Understand and utilize the new features introduced in Java 21.
• Enhance application performance using advanced Java features.
• Develop modular and scalable applications using updated libraries.
• Implement best practices in Java 21 for robust and efficient code.

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

Upon completing this training, participants will be able to:

• Comprehend the core principles and advantages of microservices architecture.
• Develop and deploy microservices utilizing Java and Spring Boot.
• Implement service discovery, configuration management, and API gateways.
• Effectively secure, monitor, and scale microservices.
• Deploy microservices leveraging Docker and Kubernetes.

Java Production Support constitutes the specialized discipline of maintaining, troubleshooting, and ensuring the operational health of Java-based systems within live environments.

This instructor-led training, available either online or onsite, is designed for intermediate-level support engineers and developers who seek to enhance their capabilities in maintaining, troubleshooting, and optimizing Java-based production systems within the banking sector.

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

• Resolve issues across Java, Unix, Database, and middleware environments.
• Utilize monitoring tools to identify and respond to production incidents.
• Adhere to proper escalation protocols and document root causes effectively.
• Participate in release and rollback cycles, coordinating effectively across teams.

Format of the Course

• Interactive lectures and discussions.
• Hands-on experience with real-world support tools and systems.
• Live simulation of incidents and troubleshooting scenarios.

Course Customization Options

• To request customized training for this course tailored to your specific stack, toolset, or support workflows, please contact us to arrange.

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

This instructor-led live training, available both online and on-site, is tailored for beginner-level Java developers eager to create modern, production-ready web applications using the latest Spring Framework and Spring Boot 3.5.5 alongside Java 21.

Upon completing this training, participants will be capable of:

• Grasping Spring’s core principles, including Inversion of Control (IoC), Dependency Injection (DI), and Aspect-Oriented Programming (AOP).
• Configuring Spring applications through XML, annotations, and JavaConfig.
• Developing RESTful services using Spring Boot and JPA.
• Implementing CRUD operations, managing transactions, and handling data persistence.
• Leveraging advanced Spring features such as profiles, exception handling, and data serialization.

Course Format

• A concise theoretical overview followed by extensive practical exercises.
• Practical implementation using real-world scenarios.
• Interactive discussions and guided troubleshooting sessions.

Customization Options

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

This instructor-led, live training in Thessaloniki (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 Thessaloniki (online or onsite) targets intermediate Java developers who wish to apply design patterns to enhance software structure, maintainability, and scalability.

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

• Comprehend the purpose and advantages of design patterns.
• Effectively implement Creational, Structural, and Behavioral patterns within Java.
• Enhance code reusability, scalability, and maintainability.
• Refactor existing codebases by applying design patterns.

This instructor-led, live training in Thessaloniki (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 Thessaloniki (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:

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

This instructor-led, live training in Thessaloniki (online or onsite) targets intermediate to advanced developers and architects aiming to develop Java native applications and microservices using Quarkus, with a focus on optimized memory usage and startup time.

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

• Develop high-performance, lightweight Java native applications using Quarkus.
• Construct and deploy RESTful services and microservices architectures.
• Leverage GraalVM for native compilation to enhance startup speed 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:

• Understand the fundamentals of reactive programming with Project Reactor.
• Build and test non-blocking RESTful APIs using 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 Thessaloniki (online or onsite) targets software architects and web developers who wish to employ RabbitMQ as messaging middleware and use Java with 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 Thessaloniki is tailored for individuals keen on mastering Java to facilitate test automation. It offers a condensed, intensive curriculum rich in practical exercises, enabling participants to rapidly acquire the essential programming competencies required for software automation testing. The emphasis lies on Java fundamentals that can be directly and immediately leveraged in test automation scenarios.

This course does not delve deeply into test automation frameworks like Selenium. It also avoids the traditional 'Hello World' teaching method, as it is not focused on application development. Instead, the course is specifically designed to help participants get up and running with test automation quickly. If you are already proficient in Java and wish to jump straight into Selenium testing, please refer to: Introduction to Selenium (https://www.nobleprog.com/introduction-selenium-training).

Participants will gain insight into the specific applications of selected concepts, understand the fundamental challenges associated with their use, and explore the role of the application model. The training also covers essential knowledge of the Java Standard Library functions. It is assumed that participants are familiar with an IDE used for building Java applications (e.g., Eclipse, NetBeans). Note: This course does not cover user interface issues.

This instructor-led live training in Thessaloniki (online or on-site) is aimed at web developers who wish to use Angular and Spring Boot to build full-stack applications.

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

• Develop a full-stack application with Angular and Spring Boot.
• Build a backend application with Spring Boot.
• Create frontend applications with Angular.
• Use Spring Security to configure authentication for a full-stack application.

Even seasoned Java developers often do not fully master the diverse security services provided by Java, nor are they always aware of the various vulnerabilities relevant to Java-based web applications.

This course introduces the security components of Standard Java Edition while addressing security challenges in Java Enterprise Edition (JEE) and web services. The discussion begins with the fundamentals of cryptography and secure communication. Participants will explore declarative and programmatic security techniques in JEE through practical exercises, and examine both transport-layer and end-to-end security for web services. All components are demonstrated via hands-on exercises, allowing participants to experiment with the discussed APIs and tools firsthand.

The curriculum also covers the most common and critical programming flaws and web-related vulnerabilities in the Java language and platform. Beyond typical errors made by Java developers, the course addresses security vulnerabilities stemming from both language-specific issues and the runtime environment. These vulnerabilities and associated attacks are illustrated through accessible exercises, followed by recommended coding guidelines and mitigation strategies.

Participants attending this course will

• Grasp core concepts of security, IT security, and secure coding
• Learn about web vulnerabilities beyond the OWASP Top Ten and how to prevent them
• Understand the security architecture of Web services
• Acquire skills in utilizing various security features within the Java development environment
• Develop a practical understanding of cryptography
• Comprehend security solutions in Java EE
• Identify typical coding mistakes and learn how to avoid them
• Gain insight into recent vulnerabilities in the Java framework
• Acquire hands-on experience with security testing tools
• Receive resources and further reading materials on secure coding practices

Audience

Developers

Experienced programmers do not always fully master the security features available in their development platforms, nor are they always aware of the vulnerabilities relevant to their specific projects. This course is designed for developers working with both Java and PHP, equipping them with the essential skills needed to make their applications resilient against modern internet threats.

The course explores the layers of the Java security architecture by addressing access control, authentication, authorization, secure communication, and various cryptographic functions. It also introduces several APIs available in PHP to help secure code, such as OpenSSL for cryptographic purposes and HTML Purifier for input validation. On the server side, it outlines best practices for hardening and configuring the operating system, web containers, file systems, SQL servers, and PHP itself, while placing special emphasis on client-side security issues related to JavaScript, Ajax, and HTML5.

General web vulnerabilities are discussed through examples aligned with the OWASP Top Ten, covering various injection attacks, script injections, session handling attacks, insecure direct object references, file upload issues, and more. The course also introduces Java- and PHP-specific language problems and issues arising from the runtime environment, categorized into standard vulnerability types such as missing or improper input validation, incorrect use of security features, flawed error and exception handling, time- and state-related problems, code quality issues, and mobile code-related vulnerabilities.

Participants have the opportunity to experiment with the discussed APIs, tools, and configuration effects. The introduction of vulnerabilities is supported by numerous hands-on exercises that demonstrate the consequences of successful attacks, show how to correct bugs, apply mitigation techniques, and introduce the use of various extensions and tools.

Participants attending this course will

• Understand the 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 client-side vulnerabilities and secure coding practices
• Learn to utilize various security features within the Java development environment
• Gain a practical understanding of cryptography
• Learn to use various security features of PHP
• Understand the security concepts of Web services
• Acquire practical knowledge in using security testing tools
• Learn about typical coding mistakes and how to avoid them
• Be informed about recent vulnerabilities in Java and PHP frameworks and libraries
• Receive resources and further readings on secure coding practices

Audience

Developers

Description

The Java language and the Runtime Environment (JRE) were designed to be free from the most problematic common security vulnerabilities experienced in other languages, like C/C++. Yet, software developers and architects should not only know how to use the various security features of the Java environment (positive security), but should also be aware of the numerous vulnerabilities that are still relevant for Java development (negative security).

The introduction of security services is preceded with a brief overview of the foundations of cryptography, providing a common baseline for understanding the purpose and the operation of the applicable components. The use of these components is presented through several practical exercises, where participants can try out the discussed APIs for themselves.

The course also goes through and explains the most frequent and severe programming flaws of the Java language and platform, covering both the typical bugs committed by Java programmers and the language- and environment-specific issues. All vulnerabilities and the relevant attacks are demonstrated through easy-to-understand exercises, followed by the recommended coding guidelines and the possible mitigation techniques.

Participants attending this course will

• Understand basic concepts of security, IT security and secure coding
• Learn Web vulnerabilities beyond OWASP Top Ten and know how to avoid them
• Learn to use various security features of the Java development environment
• Have a practical understanding of cryptography
• Learn about typical coding mistakes and how to avoid them
• Get information about some recent vulnerabilities in the Java framework
• Get sources and further readings on secure coding practices

Audience

Developers

This instructor-led, live training in Thessaloniki (online or onsite) is designed for developers who want to learn how to download, install, and apply Gosu’s static typing and pragmatic programming style.

By the end of this training, participants will be able to use Gosu to write simple scripts for libraries, UI components, rules, and more.

Apache Groovy is a dynamic programming language for the JVM (Java Virtual Machine). Its key features encompass scripting, Domain-Specific Language authoring, both runtime and compile-time meta-programming, as well as functional programming. Groovy is frequently employed as a complement to Java.

In this instructor-led live training, participants will learn how to program in Groovy by stepping through the development of a sample application.

Audience

• Developers

Course Format

• A blend of lecture, discussion, exercises, and extensive hands-on practice

This instructor-led, live training in Thessaloniki (online or onsite) is designed for developers and programmers seeking to build, manage, and execute Java applications using Java 11.

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

• Migrate from older Java versions to Java 11 to leverage new platform features and enhancements.
• Explore Java 11's new methods to enhance and simplify application development.
• Master Java core concepts to build applications for various systems and devices using Java 11.

This course provides a comprehensive overview of the essentials of Java development.

Students are introduced to the Java ecosystem, mastering core syntax and key concepts to build their first simple application. The training delves into the fundamental pillars of the Java Programming Language, with a focus on exception management, basic input/output operations, concurrency, regular expressions, the Collections Framework, and the overall platform environment. The course concludes once all foundational Java features have been thoroughly explained and practiced.

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

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

• Configure the necessary development environment for building Java applications.
• Gain a clear understanding of Kubernetes features and architecture.
• Learn the core concepts and tools essential for DevOps.
• Review Java programming fundamentals.
• Containerize Java microservices using Docker.
• Build, scale, and deploy Java applications on Kubernetes.

During the training in Thessaloniki, participants will gain knowledge of modern processes and tools for creating efficient Java software. The curriculum addresses performance pitfalls, benchmarking, profiling, tuning, memory analysis, and optimization tricks for collections and I/O. Since the focus is on language-level performance, tools, and embedded libraries, the skills learned apply regardless of the project's specific technology stack. The session also covers JVM tuning parameters provided by Oracle.

This instructor-led, live training in Thessaloniki (available 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 concepts and principles in Java, applying the testing methodology of the Open Web Application Security Project (OWASP). OWASP is a global online community dedicated to producing freely available articles, methodologies, documentation, tools, and technologies focused on enhancing web application security.

This instructor-led live training (online or onsite) is designed for web developers who wish to build functional front-end and back-end web applications using 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 Thessaloniki (offered online or onsite) is designed for Java developers who intend to utilize the Spring 5 framework for developing and deploying enterprise web applications.

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

• Install and configure Spring 5.
• Comprehend and apply the newest features of Spring 5.
• Connect to databases using Spring applications.
• Leverage the updated reactive web framework, WebFlow, to build reactive applications.
• Integrate Spring applications with legacy Java EE systems.
• Test and deploy enterprise-level Spring applications.

This instructor-led, live training in Thessaloniki (online or on-site) is designed for developers who wish to utilize WebFlux for developing and deploying reactive applications.

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

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