Template Method Pattern

Template Method pattern is a behavioural design pattern. This pattern defines the steps of an algorithm and allows sub-classes to provide the implementation for one or more steps It provides default implementation for one or more steps which are common for all or some of the subclasses Template pattern defines the skeleton of an algorithm […]

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Observer Pattern

Observer Pattern is one of the behavioural design patterns. It defines a one-to-many dependency between objects so that when one object changes its state, all of its dependents are notified and updated automatically. In this pattern, it is very important to understand below terms Subject : The object which is being watched is called the […]

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