Top "Method-reference" questions

Is method reference caching a good idea in Java 8?

Consider I have code like the following: class Foo { Y func(X x) {...} void doSomethingWithAFunc(Function<X,Y> …

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Is there any difference between Objects::nonNull and x -> x != null?

Consider the following class: import java.util.Objects; import java.util.function.Predicate; public class LambdaVsMethodRef { public static void main(…

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Java 8 chained method reference?

Suppose there is a typical Java Bean: class MyBean { void setA(String id) { } void setB(String id) { } List<String&…

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What does "an Arbitrary Object of a Particular Type" mean in java 8?

In Java 8 there is "Method Reference" feature. One of its kind is "Reference to an instance method of an arbitrary …

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Can be replaced with method reference using reflection in java

I have this code in intellij: return collection.stream().anyMatch(annotation -> method.isAnnotationPresent(annotation)); And the compiler tells …

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Java stream with method references for instanceof and class cast

Can I convert the following code using method reference? List<Text> childrenToRemove = new ArrayList<>(); group.getChildren().…

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Why does this Java 8 method reference compile?

I'm currently diving deeper into Java 8 features like Lambdas and method references. Playing around a bit brought me to the …

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Java 8 reference to a static method vs. instance method

say I have the following code public class A { int x; public boolean is() {return x%2==0;} public static boolean is (…

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Java8 method reference used as Function object to combine functions

Is there a way in Java8 to use a method reference as a Function object to use its methods, something …

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Java Lambda method reference not working

My original code is this: private static void onClicked(MouseEvent event) { // code to execute } // somewhere else in the program: setOnMouseClicked(…

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