That's part of the syntax of the new lambda expressions, to be introduced in Java 8. There are a couple of online tutorials to get the hang of it, here's a link to one. Basically, the -> separates …

More answers on how to use a Lambda function, or pass it as a parameter: simple example parameter as a function java.

As well as using the techniques above which add a field to the enumerated type you can also use a pure method based approach and polymorphism. This is more "OOP style" but I would not …

Sep 10, 2011 · So how do you do it in pre-8 versions of Java? Functors With a Functor. A Functor is basically a Lambda, but one that is wrapped in an object. While functions cannot be passed …

Jan 20, 2018 · In isReadyToDeliver method if all products in order is available (ProductState.AVAILABLE) and if order state is ready to send …

Aug 30, 2020 · Are there any extensions for the Java programming language that make it possible to create nested functions? There are many situations where I need to create methods that are …

Jan 5, 2017 · Why the downvote for a perfectly valid question that may be helpful to others who are starting to learn?

Apr 9, 2010 · Asking for an eval function in Java is perfectly valid, if you ask yourself if a Java REPL could exist.

Nov 17, 2015 · Although Java has a remainder operator for int and long types, it has no modulus function or operator. I.e., -12 % 10 = -2 whereas -12 mod 10 = 8. If % operator returns a …

How do I get a method's execution time? Is there a Timer utility class for things like timing how long a task takes, etc? Most of the searches on Google return results for timers that schedule