![]() ![]() ![]() This approach provides a clear and consistent way to define and execute strategies within the Enum. The strategy implementation can be switched by selecting a different Enum constant. The abstract method serves as a contract that all Enum constants must fulfill, ensuring each constant defines the required behavior.Ĭlient code can access the desired strategy by invoking the abstract method on the appropriate Enum constant. The abstract method serves as a contract that all Enum constants must fulfill, ensuring that each constant defines the required behavior for the strategy it represents.ĭefine an Enum to represent the strategies.ĭeclare an abstract method within the Enum to represent the strategy behavior.Ĭreate Enum constants within the Enum, each implementing the abstract method with its unique strategy implementation. This allows each constant to provide its own implementation of the strategy. In an Enum with abstract methods, each Enum constant overrides an abstract method declared in the Enum. Linked List, Stack, Queue, and arrays are a few examples of java data structures. There are multiple ways to implement the Strategy pattern using Enum in Java. Data Structure in java is defined as the collection of data pieces that offers an effective means of storing and organising data in a computer. ![]() Throughout the codebase users can access these predefined values within the Enum type. It includes Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday as constants. The Enum type called DayOfWeek is an example that represents all the seven days of a week. This special feature enables you to define named values, making your code more readable and concise: It provides the ability to create values that are mutually exclusive within the Enum type and can be referred to as an Enum constant. By selecting the appropriate Enum constant, this method allows for seamless changes between the various options.Īn Enum in Java is a unique data type comprising a fixed set of constants. To easily switch between different strategies in Java using the Strategy pattern, defining an Enum that represents these strategies is a clean and concise approach. An Enumeration is useful when you need to create a fixed list of constants that represent different strategies in your program's logic. Java provides several approaches to implement the Strategy pattern Enumerations are a popular method used in our case. It enables developers to define a set of algorithms by creating separate classes for each one, and at runtime, change them as needed. The Strategy pattern is a design pattern that belongs to the Behavioral group. ![]()
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