Use Java's packages and static imports to organize top-level types and simplify access to their static members.

The Java Tutorials ‘ Deployment Trail features the Packaging Programs in JAR Files lesson that includes the relevant section Setting Package Version Information.

Since the Scanner class is found outside of java.lang, you must either directly reference the java.util package every time you use the Scanner, or just add a single Scanner import statement to your ...

That three percent included packages, methods, and class names. But those declarations—like starting a function with package java.lang —can only be used in certain ways.