Strategy Design Pattern in Java

The strategy pattern is a behavioral design pattern that enables an algorithm’s behavior to be selected at runtime without causing tight coupling. The strategy pattern defines a family of algorithms, encapsulates each algorithm, and makes algorithms interchangeable. Strategy pattern lets the algorithm vary independently from clients that use it. For more information go to http://en.wikipedia.org/wiki/Strategy_pattern […]

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Iterator Design Pattern in Java

Iterator pattern falls under behavioral design pattern. Iterator pattern is very commonly used design pattern in Java. This pattern is used to iterate through a collection of objects without exposing its underlying representation. It is used to access the elements of an aggregate object sequentially. For example, Java’s collections like ArrayList and HashMap have implemented […]

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