I’ll also briefly demonstrate nesting interfaces with static methods, also known as static method interfaces. More about Java interfaces. For an introduction to Java interfaces, ...

See the Java 101 Java interfaces tutorial for a more in-depth introduction to using interfaces in your Java programs, including where and where not to use default, static, and private methods.

Traditional Java 8 Predicate example. While the Java 8 Predicate is a functional interface, there's nothing to stop a developer from using it in a traditional manner.Here's a Java Predicate example ...