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Design Pattern: Observer Pattern in Java

November 12, 2024March 3, 2023 by BigBoxCode

Observer pattern is used to automatically notify state change in object to all its dependent objects. It works as a pub/sub for state change between objects. This article demonstrates Observer pattern implementations in Java.

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Design Pattern: Memento Pattern

July 8, 2024March 2, 2023 by BigBoxCode

Memento pattern is responsible for maintaining the history of state change of an object. By keeping the history, Memento pattern ensures that we can check the object state history at any point, and also can revert any state change and move to the previous state.

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Design Pattern: Memento Pattern in Java

November 12, 2024February 27, 2023 by BigBoxCode

Memento pattern is used to store the history of state changes of an object so that that history can be used to track back the change or be used for some other purpose. This article demonstrates Memento pattern implementations in Java.

Categories Design Pattern Tags Java, Java Design Pattern, Memento Pattern Leave a comment

Design Pattern: Mediator Pattern in Java

November 12, 2024February 21, 2023 by BigBoxCode

Mediator pattern is used to restrict direct interaction between objects. A mediator class works as the middleman/communicator when one object wants to connect/use another object. This article demonstrates Mediator pattern implementations in Java.

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Design Pattern: Mediator Pattern

July 8, 2024February 21, 2023 by BigBoxCode

Mediator pattern prevents direct interaction between objects and works as a middleman. As objects can not refer to another object directly in this pattern, that’s why it ensures loose coupling. In Mediator pattern, all communication between objects will be through the Mediator.

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Design Pattern: Iterator Pattern

July 8, 2024February 10, 2023 by BigBoxCode

Iterator pattern is used when we need to traverse through a list of items. Iterator pattern hides the complexity of the iteration process and makes it easier to go through a list of items.

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Design Pattern: Iterator Pattern in Java

November 12, 2024February 10, 2023 by BigBoxCode

Iterator pattern is used to traverse and iterate through a list of items. This article demonstrates Iterator pattern implementations in Java.

Categories Design Pattern Tags Iterator Pattern, Java, Java Design Pattern Leave a comment

Design Pattern: Interpreter Pattern

July 8, 2024February 8, 2023 by BigBoxCode

Interpreter pattern is used when we need to represent some language expression or syntax in an Object-Oriented way. Like representing some logical operation or SQL syntax.Based on the implementation this design pattern can evaluate a specific language syntax, and provide the desired response.

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Design Pattern: Interpreter Pattern in Java

November 12, 2024February 7, 2023 by BigBoxCode

Interpreter pattern is used to represent any language operation in Object Oriented Programming context. This article demonstrates Interpreter pattern implementations in Java.

Categories Design Pattern Tags Interpreter Pattern, Java, Java Design Pattern Leave a comment

Design Pattern: Command Pattern in Java

November 12, 2024January 31, 2023 by BigBoxCode

Command pattern is used to encapsulate/wrap a command in an object so that the object can be sent as a parameter and can be used in other places. This article demonstrates Command pattern implementations in Java. Check the following examples.

Categories Design Pattern Tags Command Pattern, Java, Java Design Pattern Leave a comment
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