Canonical has announced that OpenJDK 11 has replaced OpenJDK 10 as the default Java package in Ubuntu 18.04 LTS. Canonical recently released Ubuntu 19.04 which also uses OpenJDK 11 as default, the ...

The Javadoc documentation for the Package class states: Package objects contain version information about the implementation and specification of a Java package. This versioning information is ...

Java packages serve two purposes: Structure — Packages give a structure to the set of classes of your project. It is a bad practice to put all classes flat into the source directory of a project ...