I intentionally included three attributes in the MANIFEST.MF example above that are not accessible from Java’s Package class. These are Package-Title, Package-Version, and Package-Vendor.

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 ...

Java object serialization is a feature of the JDK that is far too often overlooked. When a developer puts together a prototype or cooks up a proof of concept, simply saving a serialized Java object to ...

To use the Java Scanner for user input, either import the java.util package, or use the full package and class name, java.util.Scanner. For the most part, Java’s Scanner class is fairly easy to use, ...