https://github.com/andrezatcascais/dio-lab-patterns-project-java

Exploring Design Patterns in Practice with Java. This course is a module of the Bootcamp organised by DIO - Digital Innovation.
https://github.com/andrezatcascais/dio-lab-patterns-project-java

backend bootcamp-project design-patterns facade-pattern gof-patterns intellij java17 mid-level oop singleton-pattern strategy-pattern

Last synced: 3 months ago
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Exploring Design Patterns in Practice with Java. This course is a module of the Bootcamp organised by DIO - Digital Innovation.

• Host: GitHub
• URL: https://github.com/andrezatcascais/dio-lab-patterns-project-java
• Owner: andrezatcascais
• Created: 2024-08-07T20:57:44.000Z (5 months ago)
• Default Branch: main
• Last Pushed: 2024-08-08T00:48:24.000Z (5 months ago)
• Last Synced: 2024-09-27T05:20:09.602Z (3 months ago)
• Topics: backend, bootcamp-project, design-patterns, facade-pattern, gof-patterns, intellij, java17, mid-level, oop, singleton-pattern, strategy-pattern
• Language: Java
• Homepage: https://www.dio.me/en
• Size: 35.2 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# Design Patterns

This repository contains examples and explanations for three common design patterns: Singleton, Strategy, and Facade.

## Singleton

The Singleton pattern ensures a class has only one instance and provides a global point of access to it.

- **Intent**: To control object creation, limiting the number of objects to one.

- **Use Case**: When only one instance of a class is needed to coordinate actions across a system.

### [Structure](https://sourcemaking.com/design_patterns/singleton)

![img.png](assets/img.png)

#### [Example about the Singleton Pattern](./src/main/java/one/digitalinnovation/gof/singleton)

## Strategy

The Strategy pattern defines a family of algorithms, encapsulates each one, and makes them interchangeable.

- **Intent**: To define a family of algorithms, encapsulate each one, and make them interchangeable.

- **Use Case**: When you want to define a class that will have one behavior that is similar to other behaviors in a list.

### [Structure](https://sourcemaking.com/design_patterns/strategy)

![img_1.png](assets/img_1.png)

#### [Example about the Strategy Pattern](./src/main/java/one/digitalinnovation/gof/strategy)

## Facade

The Facade pattern provides a simplified interface to a complex subsystem.

- **Intent**: To provide a unified interface to a set of interfaces in a subsystem.

- **Use Case**: When you want to provide a simple interface to a complex subsystem.

### [Structure](https://sourcemaking.com/design_patterns/facade)

![img_2.png](assets/img_2.png)

#### [Example about the Facade Pattern](./src/main/java/one/digitalinnovation/gof/facade)