In the package directive’s absence, those classes and interfaces belong to the unnamed package (the directory the JVM regards as the current directory—the directory where a Java program begins ...

Example MANIFEST.MF File With Package Version Information Name: dustin/examples/ Specification-Title: Dustin's Java/Groovy Examples Specification-Version: 2011.06.17 Specification-Vendor: Marxian ...

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.