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After getting introduced to Design Patterns we have so far examined the following patterns:

• Adapter Pattern
• Facade pattern
• Composite Pattern
• Bridge Pattern
• Singleton Pattern
• Observer Pattern
• Proxy Pattern
• Chain of Responsibility Pattern
• Flyweight Pattern
• Builder Pattern
• Factory Method Pattern
• Abstract Factory Design Pattern
• Prototype Design Pattern
• Memento Design Pattern
• Template Design Pattern
• State Design Pattern
• Strategy Design Pattern

Now, we will now get to know the Command Design Pattern.

The Command Design Pattern is a behavioral design pattern and helps to decouples the invoker from the receiver of a request. The intent of the Command Design Pattern is to encapsulate a request as an object, thereby letting the developer to parameterize clients with different requests, queue or log requests, and support undoable operations.

Via a real life example, you will learn how and when the Command design pattern should be used and how to structure your code in order to implement it. You will see how it can lead to elegant solutions to code problems.

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