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Why do you need Design Patterns in Software Engineering?

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Importance of Design Patterns

Using design patterns will benefit you in numerous ways. First of all, they help you with the development process and provide you with development paradigms, which means that you can use existing patterns and solutions to sort out your problems without wasting too much time.

Design patterns fix the problems, and facilitate code readability, and it’s very useful when you’re moving from an analysis model to a development model. Design patterns are flexible solutions to the problems that you could be dealing with. Every pattern is unique and can help you to solve your problems in a fast and organized way.

Why Software Engineering Design Patterns Matter for Your Business

Besides solving more technical issues and development problems for you, you can use design patterns to design more effective and efficient software. Also, you’ll be able to analyze all the critical parts of your programs with well-tested solutions.

No matter which solutions you are using and what kind of goals you have set for yourself, using design patterns will let you do your job in a less time-consuming way and with better quality. There are several different types of design patterns that can be used to your advantage, including creational, structural, and behavioral patterns.

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Creational Design Patterns

Creation design patterns are mostly focused on the way of creating objects. And there are several different types of creational design patterns, including factory method patterns, abstract factory patterns, singleton patterns, prototype patterns, builder patterns, and object pool patterns.

For example, an abstract factory is a creational pattern that helps you to create families of related objects. Like, if you need a furniture shop simulator, you need familiar products that are connected to each other, like chairs and sofas. But they might be done in modern or Victorian styles. Your objects need to match a certain style and go well with each other.

You can create interfaces for each distinct product of the product family, then create their several variations, and determine creation methods. You can create certain factory classes as well. For example, Modern Furniture Factory will create modern chairs and modern sofas.

Structural Design Patterns

Structural pattern designs explain how to assemble objects and classes into larger structures, but the main point here is to ensure the flexibility and efficiency of these structures. They can facilitate the operations and also, design applications. Structural patterns include adapter patterns, decorator patterns, facade patterns, proxy patterns, and composite patterns.

For example, the adapter pattern allows objects with incompatible interfaces to collaborate with each other. Like if you need an app that will be about monitoring the stock market, you’ll have to ensure that your customers will see charts and diagrams that will display the stock data. In this case adapter pattern will help you to convert data into various formats.

Behavioral Patterns

Behavioral design patterns are mostly focused on algorithms and assigning responsibilities between objects. The design should have a positive influence on people, on their thoughts, feelings, and actions. Behavioral design patterns include a chain of responsibility pattern, command pattern, iterator pattern, mediator pattern memento pattern, observer pattern, state pattern, strategy pattern, template method pattern, and visitor pattern.

For example, the mediator helps you to reduce chaotic dependencies between objects. Let’s say that you have a hard time creating and editing customer profiles. The mediator pattern will help you to restrict direct communication between elements that you want to be separate. You have to determine what you’d like to achieve and sort out the relationships between different elements accordingly.

How to Choose Design Patterns for Your Company?

First of all, before you start working with design patterns, it’s important to determine what you are trying to achieve and what’s your goal really. Having clear ideas regarding your job will help you to identify the patterns that will suit your situation best.

You can use all the best qualities of design patterns to improve your work and sort out problems. All types of design patterns include several different types, and before you determine which could be useful for you, going through all of them might create chaos for you. It would be great to use additional help and sort out priorities and use them according to your supreme goals and needs.

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