JAVA 8 Lambda Expressions for SDETs

Lambda expression is a new feature introduced in Java 8. It has brought functional programming capabilities to JAVA and is one of the most popular features of Java 8. Lambda expressions are used to create instances or objects of functional interfaces. A functional interface is an interface with a single abstract method (we already have interfaces like Runnable, Callable, ActionListener, etc.). A lambda expression can be expressed as an anonymous function with no name and doesn't belong to any class.

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