What is Visitor Design Pattern?

Visitor is a behavioural type of design pattern. Although this is not a very popular design pattern due to its narrow applicability, it can be carefully used to resolve complex behavioural situations. This pattern is useful when an object structure contains different kinds of operations to use in different situations. Elements of an object structure […]

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command pattern class diagram

Command Pattern with Java examples

This pattern falls under the behavioral design pattern category. In this pattern, the information inside one request is mapped to a single object and then that object is used as required. It encapsulates a whole request as an object called ‘Command’. The ‘Command’ can be identified as a materialized method call. That object often contains […]

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Strategy Design Pattern

Do you Know The Strategy Design Pattern? What is Strategy Design Pattern? Do you use Strategies? We all have dealt with strategies in certain moments of our life. In more technical words strategy is a set of planned actions designed to achieve a specific goal. Simply, you try out many strategies when a final exam […]

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