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Implement Cucumber "cucumber.api.java8.En" interface by step definition class

What is the purpose of implementing "cucumber.api.java8.En" interface by cucumber step definition classes?.

Solution

  • From Official Github page:

    Declare a step definition calling a method in the constructor of the glue class. For localized methods import the interface from io.cucumber.java8.<ISO2 Language Code>

    En stands for English, which is a public interface. 

    public interface En extends LambdaGlue

    To execute steps in a feature file the steps must be connected to executable code. This can be done by implementing this interface (step-definitions to be written as Lambda expression).