It is a very simple component that simply requires the implementation of one method — named apply — that is passed in a single object, runs to completion and returns another Java object. It’s just ...

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 ...

The term API stands for application programming interface, a concept that applies everywhere from command-line tools to enterprise code, microservices, and cloud-native architectures.An API is an ...

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 ...

Java 18 also contains a new service-provider interface (SPI) for use in host name and address resolution. This enables developers to use resolvers other than the built-in one.