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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

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

The Template Design Pattern is a behavior pattern and, as the name suggests, it provides a template or a structure of an algorithm which is used by users. A user provides its own implementation without changing the algorithm’s structure. The Template Pattern defines the skeleton of an algorithm in an operation, deferring some steps to subclasses. Template Method lets subclasses to redefine certain steps of an algorithm without changing the algorithm’s structure.

Via a real life example, you will learn how and when the Template 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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