3 Jan 2018
Java has always been an Object Oriented programming language, it means we can't have a function without its class. Other programming languages like C++, PHP, Python, JavaScript and many more, where we write functions and use anywhere, all these languages support functional programming along with Object Oriented programming. Java introduced Functional interface & Lambda Expressions in Java 8, to leverage functional programming to reduce verbosity. What is functional Interface? A Functional Interface is an interface
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