Dependency Injection in Java

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Author : Dhananjay Prasanna
Genre : Computers

Summary : Dependency Injection is an in-depth guide to the current best practices forusing the Dependency Injection pattern-the key concept in Spring and therapidly-growing Google Guice. It explores Dependency Injection, sometimescalled Inversion of Control, in fine detail with numerous practical examples.Developers will learn to apply important techniques, focusing on their strengthsand limitations, with a particular emphasis on pitfalls, corner-cases, and bestpractices. This book is written for developers and architects who want to understandDependency Injection and successfully leverage popular DI technologies such asSpring, Google Guice, PicoContainer, and many others. The book exploresmany small examples of anchor concepts and unfolds a larger example to showthe big picture. Written primarily from a Java point-of-view, this book is appropriate for anydeveloper with a working knowledge of object-oriented programming in Java,Ruby, or C#. Purchase of the print book comes with an offer of a free PDF, ePub, and Kindle eBook from Manning. Also available is all code from the book.

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Author : Luqman Saeed
Genre :

Summary : WARNING - DO NOT BUY THIS BOOK IF YOU DON'T WANT TO BE ABLE TO BUILD LOOSELY COUPLED JAVA APPS! Dependency Injection is the cornerstone of good, decoupled software engineering principles. And this book is your ultimate guide to the latest Contexts and Dependency Injection (CDI 2.0) standard on the Jakarta EE (formerly Java EE) Platform. You will learn how the Java dependency injection framework - CDI - helps you write better code through the provision ofPowerful, extensible and well defined contextual lifecycles for componentsA mechanism for decoupling application components through a typesafe event APITypesafe interceptors for altering the behaviour of components at runtimeA well defined Qualifier system for easy isolation of beansA Producer mechanism for converting almost any valid Java type to a CDI managed beanAll these and more will be covered in an exciting way through a mixture of detailed theoretical explanations and practical code samples. If you have ever wanted to write clean enterprise Java code, this book is your best guide for that. You will pick up valuable tips along the way from your instructor's years of experience. This course will cover CDI 2.0 in detail, as well as equip you with the theoretical underpinnings of Java EE. Jakarta EE Dependency Injection for Java Developers will coverWhat Java EE is and how it relates to the newly formed Eclipse Foundation Jakarta EEHow Java EE is evolved through the JCPWhat a JSR isWhat Reference Implementation isHow to contribute to the advancement of JavaContexts and Dependency InjectionGood software engineering principles and moreJakarta EE Dependency Injection for Java Developers is packed with so much that by the end of the course, you will feel confident to use your new found knowledge to help you write better, readable, maintainable and long lived software. So go ahead, click on the buy now button and be on your way to writing better software. See you in the course.

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Author : Nilang Patel
Genre : Computers

Summary : Create clean code with Dependency Injection principles Key Features Use DI to make your code loosely coupled to manage and test your applications easily on Spring 5 and Google Guice Learn the best practices and methodologies to implement DI Write more maintainable Java code by decoupling your objects from their implementations Book Description Dependency Injection (DI) is a design pattern that allows us to remove the hard-coded dependencies and make our application loosely coupled, extendable, and maintainable. We can implement DI to move the dependency resolution from compile-time to runtime. This book will be your one stop guide to write loosely coupled code using the latest features of Java 9 with frameworks such as Spring 5 and Google Guice. We begin by explaining what DI is and teaching you about IoC containers. Then you’ll learn about object compositions and their role in DI. You’ll find out how to build a modular application and learn how to use DI to focus your efforts on the business logic unique to your application and let the framework handle the infrastructure work to put it all together. Moving on, you’ll gain knowledge of Java 9’s new features and modular framework and how DI works in Java 9. Next, we’ll explore Spring and Guice, the popular frameworks for DI. You’ll see how to define injection keys and configure them at the framework-specific level. After that, you’ll find out about the different types of scopes available in both popular frameworks. You’ll see how to manage dependency of cross-cutting concerns while writing applications through aspect-oriented programming. Towards the end, you’ll learn to integrate any third-party library in your DI-enabled application and explore common pitfalls and recommendations to build a solid application with the help of best practices, patterns, and anti-patterns in DI. What you will learn Understand the benefits of DI and fo from a tightly coupled design to a cleaner design organized around dependencies See Java 9’s new features and modular framework Set up Guice and Spring in an application so that it can be used for DI Write integration tests for DI applications Use scopes to handle complex application scenarios Integrate any third-party library in your DI-enabled application Implement Aspect-Oriented Programming to handle common cross-cutting concerns such as logging, authentication, and transactions Understand IoC patterns and anti-patterns in DI Who this book is for This book is for Java developers who would like to implement DI in their application. Prior knowledge of the Spring and Guice frameworks and Java programming is assumed.

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Author : Jan Beernink
Genre : Computers

Summary : In Pro CDI 2 in Java EE 8, use CDI and the CDI 2.0 to automatically manage the life cycle of your enterprise Java, Java EE, or Jakarta EE application’s beans using predefined scopes and define custom life cycles using scopes. In this book, you will see how you can implement dynamic and asynchronous communication between separate beans in your application with CDI events. The authors explain how to add new capabilities to the CDI platform by implementing these capabilities as extensions. They show you how to use CDI in a Java SE environment with the new CDI initialization and configuration API, and how to dynamically modify the configuration of beans at application startup by using dynamic bean building. This book is compatible with the new open source Eclipse Jakarta EE platform and tools. What You Will Learn Use qualifier annotations to inject specific bean implementations Programmatically retrieve bean instances from the CDI container in both Java SE and Java EE when injecting them into an object isn’t possible Dynamically replace beans using the @Alternative annotation to, for example, replace a bean with a mock version for testing Work with annotation literals to get instances of annotations to use with the CDI API Discover how scopes and events interact Who This Book Is For Those who have some experience with CDI, but may not have experience with some of the more advanced features in CDI.

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Author : Sander Mak
Genre : Computers

Summary : The upcoming Java 9 module system will affect existing applications and offer new ways of creating modular and maintainable applications. With this hands-on book, Java developers will learn not only about the joys of modularity, but also about the patterns needed to create truly modular and reliable applications. Authors Sander Mak and Paul Bakker teach you the concepts behind the Java 9 module system, along with the new tools it offers. You’ll also learn how to modularize existing code and how to build new Java applications in a modular way. Understand Java 9 module system concepts Master the patterns and practices for building truly modular applications Migrate existing applications and libraries to Java 9 modules Use JDK 9 tools for modular development and migration

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Author : Erich Gamma
Genre : Business & Economics

Summary : Software -- Software Engineering.

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Author : Mike Touil
Genre :

Summary : This book is the great way to learn deeply about context dependency injection, passing from the core version of CDI to JAVA SE and JAVA EE. with all its annotations and Principles