If you’ve read my Java 101 tutorial introducing static classes and inner classes, you should be familiar with the basics of working with nested classes in Java code. In this Java tip, you’ll ...

This Java code challenge demonstrates many important concepts about interfaces, abstract methods, and more. Stepping through the code line by line will teach us a lot about what is happening in ...

This not only serves as an interface for your Java (or Kotlin) code, but also acts as a bridge for accessing Android-specific code from the SDK. For more on that, check out our guide to Android ...

So a more concise lambda expression that implements this Java Function interface would look like this: Function<Integer, String> conciseLambda = (Integer x)-> { return Integer.toString(x*x); }; System ...

1. The Java compiler: javac. The javac utility is the most important command-line interface tool you will find in the JDK's bin directory. This is the Java compiler, and whether you use Maven, Gradle, ...

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 ...

The new Coding Pack for Java, meanwhile, installs VS Code, the AdoptOpenJDK Java Development Kit (JDK) and the "essential Java extensions" found in the Java Extension Pack.It can be used for a ...