In this Java tip, you’ll learn three common ways to use nesting techniques with Java interfaces. I’ll also briefly demonstrate nesting interfaces with static methods, also known as static ...

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 ...

Learn what a predicate interface is and how to use it in Java. Find out how to create your own custom predicate interface and combine it with other predicates.

This project provides a set of Java code examples illustrating the set of functional interfaces that were added to the JDK’s java.util.function package in Java 8+, their general use cases and usage in ...

Lambda and Consumer interface example. As you can see, there is nothing special about the interfaces defined in the java.util.function package. They are regular Java interfaces that comply with all of ...

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 ...