Develop Web Services and Microservices with Java Course Overview

Develop Web Services and Microservices with Java Course Overview

The "Develop Web Services and Microservices with Java" course is designed to provide learners with a comprehensive understanding and practical skills in creating, deploying, and managing web services and microservices using Java technologies. Throughout the course, participants will learn about different types of web services, how to process and handle data formats like XML and JSON, and secure their services effectively.

Module 1 sets the stage by introducing the development of web services and microservice applications. In Module 2, students get an introduction to web services, laying the foundation for the rest of the course. Module 3 focuses on XML training, teaching students to handle XML using the JAXB API. Subsequent modules delve into creating and invoking SOAP services using the JAX-WS API, handling JSON with JSON-P and JSON-B APIs—essential for those who wish to learn JSON—and building and invoking REST services with the JAX-RS API. The course also covers WebServices security and policies, and concludes with a discussion on service architecture. Upon completion, learners will be well-equipped to design and implement robust web services for a variety of applications.

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Course Prerequisites

Certainly! Below are the minimum required prerequisites for successfully undertaking training in the Develop Web Services and Microservices with Java course:


  • Basic understanding of Java programming language and syntax
  • Familiarity with the concepts of object-oriented programming
  • Basic knowledge of web technologies such as HTTP, HTML, and CSS
  • Understanding of XML and JSON data formats
  • Experience with Integrated Development Environment (IDE) tools such as Eclipse, IntelliJ IDEA, or similar
  • Fundamental knowledge of database concepts and SQL

These prerequisites ensure that participants can effectively grasp the concepts and practical applications taught in the course. With this foundational knowledge, students will be well-prepared to dive into the world of Java-based web services and microservices development.


Target Audience for Develop Web Services and Microservices with Java

  1. The course provides in-depth training on Java-based web services and microservices, targeting professionals in software development and architecture.


  2. Target audience for the course includes:


  • Java Developers
  • Software Engineers
  • Web Developers
  • Application Developers
  • System Architects
  • Technical Leads
  • Full Stack Developers
  • Software Designers
  • Backend Developers
  • IT Professionals with a focus on web services
  • Technology Consultants interested in microservices architecture
  • Programmers looking to specialize in service-oriented solutions


Learning Objectives - What you will Learn in this Develop Web Services and Microservices with Java?

Introduction to the Course's Mentioned Learning Outcomes and Concepts Covered:

This course equips participants with the skills to design, develop, and deploy robust web services and microservices using Java, covering SOAP, REST, security, and service architecture.

Learning Objectives and Outcomes:

  • Understand the fundamentals of web services and microservices within the Java ecosystem.
  • Learn to handle XML data in Java applications using the JAXB API.
  • Develop SOAP-based web services with the JAX-WS API and understand the principles of service-oriented architecture.
  • Gain proficiency in invoking SOAP services by implementing client-side operations using the JAX-WS API.
  • Master handling JSON data in Java applications using JSON-P and JSON-B APIs for modern web services.
  • Build RESTful web services using the JAX-RS API and comprehend the REST architectural style.
  • Acquire skills to invoke REST services from Java applications, covering various HTTP methods and response handling.
  • Understand web services security, implement authentication, authorization, and encryption using industry standards.
  • Learn about service policies, exception handling, and best practices for secure and reliable service deployment.
  • Explore service architecture concepts, including microservices design patterns, service discovery, and API gateways.

Technical Topic Explanation

JAX-WS API

JAX-WS API stands for Java API for XML Web Services, which is a part of Java programming involved in creating web services using XML. It allows developers to build and deploy web services on the Java platform. It simplifies the task of developing web services by providing a set of APIs that abstract the complexity of XML-based protocols. This enables you to focus more on the application logic rather than delving into the underlying XML processing and communication details. Essentially, it helps in creating robust Java web services that are interoperable and can communicate over the internet.

Web services

Web services are ways for different software systems to communicate over the Internet, using standard formats like XML and JSON to exchange data. This makes it possible for applications written in different languages, like Java, to interact. Java web services are particularly popular for creating network-based applications. There are specific tools like Java Web Services Up and Running that help developers quickly build and deploy these services. Learning JSON and XML through targeted training can greatly enhance the ability to efficiently develop and manage web services, ensuring data is correctly understood by all parts of the system.

Microservices

Microservices are a design approach where a large application is broken down into smaller, independent parts called services. Each service manages a specific part of the application's functionality and communicates with other services through simple, universally understandable messages typically formatted in JSON. This allows for easier updates, quicker scaling, and more robust systems where if one service fails, it doesn’t affect others. Microservices are commonly implemented using Java web services, providing a way to ensure each part can operate and evolve independently. This architecture is particularly useful for large, complex applications spread across different platforms and devices.

XML

XML, or Extensible Markup Language, is a flexible way to create common information formats and share both the format and the data on the World Wide Web, intranets, and elsewhere. It’s structured like HTML – using tags between angle brackets – but XML allows you to define your own customized tags. The primary purpose of XML is to facilitate data sharing across diverse systems, including the Internet and mobile devices. XML training can enhance your skills in managing this data-centric language, which is crucial in many tech environments, especially those focusing on the interchange of data like java web services.

JSON

JSON (JavaScript Object Notation) is a lightweight data format used for data interchange. Easy to understand and write, it is widely popular in web development, particularly for Java web services, due to its simplicity and text-based structure. JSON represents data as key-value pairs, making it an ideal choice for APIs and online data feeds. As a simpler alternative to XML, many developers prefer JSON for configuring and exchanging data. Learning JSON and undergoing JSON training can enhance your ability to quickly integrate web services and handle data efficiently in modern web applications.

JAXB API

JAXB (Java Architecture for XML Binding) API is a Java framework that simplifies the conversion between XML data and Java objects. It enables developers to quickly convert Java objects into XML and back using simple annotations, making it easier to integrate XML data within Java applications. JAXB is particularly useful in building Java web services as it automates the mapping between XML documents and Java. This API is key in contexts where you need to exchange data in XML format, common in many web services and enterprise applications, thereby enhancing performance and interoperability of Java web services.

SOAP services

SOAP (Simple Object Access Protocol) services are a way for different computers to communicate with each other over the Internet using well-defined rules. They use XML, a standard text-based format, to encode messages, allowing for clear communication between programs designed in different languages or running on different platforms. This method is particularly valued in business environments for its security features and robust error-handling capabilities. SOAP services are foundational in building Java web services up and running, often utilized within enterprise settings where sturdy, standardized data exchange protocols are a necessity.

JSON-B API

The JSON-B API allows for easy integration of data between Java applications and web services by converting Java objects to JSON and vice versa, essential for building efficient Java web services. It simplifies how developers work with data, enhancing JSON training and usage in creating dynamic, data-rich applications. This API is crucial for developers looking to leverage Java in web environments, fundamentally improving how data is managed and served in modern applications. JSON-B forms a part of comprehensive Java web services training, ensuring developers are up and running with the latest in data interchange techniques.

REST services

REST services, or Representational State Transfer services, allow different computer systems to communicate over the internet. In REST, web services use HTTP to perform operations like GET, POST, PUT, and DELETE, usually on structured data formats such as JSON (a common format used in web applications to exchange data) and XML. REST services are stateless; each call from a client to the server contains all the information the server needs to fulfill the request. Learning REST is crucial for developing modern Java web services, as it makes building and consuming web APIs simpler and more efficient.

JAX-RS API

JAX-RS API is a set of interfaces and Java annotations that make building Java web services easier, specifically those based on REST (Representational State Transfer) architecture. It simplifies the development process by allowing developers to create web services using Java and annotations to handle HTTP requests and responses. In essence, JAX-RS manages the details of web communication, enabling developers to focus on application-specific logic without worrying about the underlying protocol-specifics. This API is particularly effective when used for services that output JSON or XML, catering to modern web needs and facilitating a seamless data exchange over the web.

WebServices security

WebServices security involves protecting data exchanged in web services like SOAP or REST, which are essential components in Java Web Services. Security measures include authentication, ensuring only authorized users can access the service, and encryption to protect data in transit. Additionally, learning and applying JSON and XML formats are crucial, as these are commonly used to structure data in web services. Training in these languages helps in detailed understanding and implementation of secure web practices, ensuring that Java Web Services run safely and efficiently.

Service architecture

Service architecture refers to the structured design of services within a network, particularly in software and web development. It defines how multiple services interact and integrate to provide comprehensive solutions. Key examples include Java web services, which utilize XML and JSON for efficient data management. Learning Java web services and understanding XML and JSON through structured training enables systems to be up and running seamlessly, handling and exchanging information across diverse platforms. This architecture ensures that services are robust, scalable, and maintainable, facilitating the creation of complex applications within enterprise environments.

Target Audience for Develop Web Services and Microservices with Java

  1. The course provides in-depth training on Java-based web services and microservices, targeting professionals in software development and architecture.


  2. Target audience for the course includes:


  • Java Developers
  • Software Engineers
  • Web Developers
  • Application Developers
  • System Architects
  • Technical Leads
  • Full Stack Developers
  • Software Designers
  • Backend Developers
  • IT Professionals with a focus on web services
  • Technology Consultants interested in microservices architecture
  • Programmers looking to specialize in service-oriented solutions


Learning Objectives - What you will Learn in this Develop Web Services and Microservices with Java?

Introduction to the Course's Mentioned Learning Outcomes and Concepts Covered:

This course equips participants with the skills to design, develop, and deploy robust web services and microservices using Java, covering SOAP, REST, security, and service architecture.

Learning Objectives and Outcomes:

  • Understand the fundamentals of web services and microservices within the Java ecosystem.
  • Learn to handle XML data in Java applications using the JAXB API.
  • Develop SOAP-based web services with the JAX-WS API and understand the principles of service-oriented architecture.
  • Gain proficiency in invoking SOAP services by implementing client-side operations using the JAX-WS API.
  • Master handling JSON data in Java applications using JSON-P and JSON-B APIs for modern web services.
  • Build RESTful web services using the JAX-RS API and comprehend the REST architectural style.
  • Acquire skills to invoke REST services from Java applications, covering various HTTP methods and response handling.
  • Understand web services security, implement authentication, authorization, and encryption using industry standards.
  • Learn about service policies, exception handling, and best practices for secure and reliable service deployment.
  • Explore service architecture concepts, including microservices design patterns, service discovery, and API gateways.