Simple method delegation: Use method references for straightforward delegations that don’t require modifying or processing arguments.For example, list.forEach(System.out::println) is clearer ...

In addition to touring Java 8’s functional programming capabilities, the second half of this tutorial will help you begin to think functionally, by converting an example of object-oriented Java ...

Java Supplier interface tutorial. As you can see, the code for the class that implements Java’s Supplier interface is fairly simple. The only requirements are the class declaration and the ...

Any method you can conjure up takes an object and returns an object that fulfills the Java Function contract. How to use Java’s Function interface. For this Java Function interface example, we will ...

In this post, we will learn how to call a method in Java. This is a useful “chunk” of code that you can call from anywhere else in your program, thus preventing you from needing to write out ...

The core of Java serialization lies in the ObjectOutputStream and ObjectInputStream classes. These streams provide methods to write and read objects. Here’s a simple example of serializing an ...