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Java 9 Dependency Injection
book

Java 9 Dependency Injection

by Nilang Patel, Krunal Patel
April 2018
Intermediate to advanced content levelIntermediate to advanced
246 pages
6h 11m
English
Packt Publishing
Content preview from Java 9 Dependency Injection

Various patterns to achieve IoC

Let's recall what the  Dependency Inversion Principle (DIP) states: high-level modules should not depend upon low-level modules; both should depend upon abstraction. This is a fundamental requirement for making any application modular and adjustable.

While designing any system, we should make sure that high-level classes do not instantiate low-level classes; instead, they should rely on abstraction (the interface or abstract class) rather than depending on other concrete classes directly. The DIP does not specify how this happens, so a technique is required to separate the low-level modules from the high-level modules. IoC provides this technique.

There are various patterns to achieve IoC, including inverting ...

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Publisher Resources

ISBN: 9781788296250Supplemental Content