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.

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 ...

You will run into the Function interface in a variety of places, especially when you start advanced functional programming with the Java Streams API. Powerful methods such as map, reduce and flatMap ...

APIs and explicit interfaces. Programming languages like Java, Python, and C++ have an explicit interface construct, which provides language-level support for APIs.

Google is replacing its implementation of the Java application programming interfaces (APIs) in Android with OpenJDK, the open source version of Oracle’s Java Development Kit (JDK). The news ...