How to Convert a Lambda Expression to Method Reference in Java 8?
If you have been coding in Java 8 then you may know that using method reference in place of lambda expression makes your code more readable, hence it is advised to replace lambda expression with method reference wherever possible. But, the big question is, how do you find whether you can replace a lambda with method reference? Yes, it's not that easy, especially if you have been using Java 8 only for a couple of months and struggling to get the functional programming concepts and idioms sorted in your head. Sometimes, IDEs like IntelliJ IDEA and Eclipse does offer some hints to convert lambda expression to method reference but it does make sense to learn the logic behind it, otherwise, it won't make sense. The simple rule to replace lambda expression with method reference is built on common sense, which you will learn in this article. If you look closely, lambda is nothing but a code block which you pass to a function to execute. If you already have that code in form of a meth...