DoubleBinaryOperator Interface is a part of the java.util.function package which is introduced in Java 8. It is an in-built Functional Interface. This function expects two arguments of type double as an input and produces a double type result. As it is a functional interface, it can be used assignment target for lambda expression or method reference. In this post, we are going to see several implementations of DoubleBinaryOperator Interface by using different examples.

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DoubleBinaryOperator Interface in Java 8 with Examples...!!! Click To Tweet

Look at DoubleBinaryOperator Javadoc description below:

DoubleBinaryOperator Interface contains below method:

applyAsDouble

Let’s discuss this method:

applyAsDouble 

This method performs operation on the given arguments and return the double-valued result.

Lets understand above mentioned method through below example:

Example. ‘applyAsDouble’ method

Output:
Java 8 DoubleBinaryOperator Interface is an absolute useful addition as part of ‘Functional Interfaces’ and can serve variety of purposes. It is quite powerful as it can be used as a higher order functions through lambda functions and above examples could help you to get better idea on how to implement it.

DoubleBinaryOperator Interface in Java 8 with Examples...!!! Click To Tweet

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Author

  • Deepak Verma is a Test Automation Consultant and Software development Engineer for more than 10 years. His mission is to help you become an In-demand full stack automation tester. He is also the founder of Techndeck, a blog and online coaching platform dedicated to helping you succeed with all the automation basics to advanced testing automation tricks.

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