What is the design pattern used in the implementation of Enumeration in Java?

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Pragya Keshap answered on February 4, 2023 Popularity 1/10 Helpfulness 1/10

answer What is the design pattern used in the implementation of Enumeration in Java?

What is the design pattern used in the implementation of Enumeration in Java?

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Enumeration is based on Iterator design pattern. Iterator design

pattern provides a common interface with methods to traverse the

collection of objects. It hides the underlying implementation details

of the collection

enum Strategy {
 
  STRATEGY_A {
    @Override
    void execute() {
      System.out.println("Executing strategy A");
    }
  },
   
  STRATEGY_B {
    @Override
    void execute() {
      System.out.println("Executing strategy B");
    }
  };
 
  abstract void execute();
}
 
 
 class UseStrategy {
 
  public static void main(String[] args)
  {
    UseStrategy useStrategy = new UseStrategy();
    useStrategy.perform(Strategy.STRATEGY_A);
    useStrategy.perform(Strategy.STRATEGY_B);
  }
 
  private void perform(Strategy strategy) {
    strategy.execute();
  }
}

https://www.geeksforgeeks.org/how-to-implement-a-strategy-pattern-using-enum-in-java/

Popularity 1/10 Helpfulness 1/10 Language java

Source: Grepper

Tags: enumeration implementation java

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Contributed on Feb 04 2023

Pragya Keshap

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What is the design pattern used in the implementation of Enumeration in Java?

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