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Hands-On Design Patterns with Java

Hands-On Design Patterns with Java

By : Dr. Edward Lavieri Jr.
2 (1)
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Hands-On Design Patterns with Java

Hands-On Design Patterns with Java

2 (1)
By: Dr. Edward Lavieri Jr.

Overview of this book

Java design patterns are reusable and proven solutions to software design problems. This book covers over 60 battle-tested design patterns used by developers to create functional, reusable, and flexible software. Hands-On Design Patterns with Java starts with an introduction to the Unified Modeling Language (UML), and delves into class and object diagrams with the help of detailed examples. You'll study concepts and approaches to object-oriented programming (OOP) and OOP design patterns to build robust applications. As you advance, you'll explore the categories of GOF design patterns, such as behavioral, creational, and structural, that help you improve code readability and enable large-scale reuse of software. You’ll also discover how to work effectively with microservices and serverless architectures by using cloud design patterns, each of which is thoroughly explained and accompanied by real-world programming solutions. By the end of the book, you’ll be able to speed up your software development process using the right design patterns, and you’ll be comfortable working on scalable and maintainable projects of any size.
Table of Contents (15 chapters)
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Section 1: Introducing Design Patterns
4
Section 2: Original Design Patterns
8
Section 3: New Design Patterns

Understanding the mediator pattern

The mediator design pattern is used to permit object interactions without using explicit object references. This is an advanced use of the object-oriented programming encapsulation concept. Mediators manage the interactions between two or more objects. A real-world example is a legal mediator where both sides of a lawsuit communicate to the mediator, but not directly to each other.

We will look at an example use case, the UML class diagram, and the source code necessary to implement the mediator design pattern for this scenario.

Use case

To demonstrate the mediator design pattern, we will emulate a widget production system that includes a hopper for parts, a starter to start the system, an...

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