JEP 238: Multi-Release JAR Files extends the JAR file format to allow multiple, Java-release-specific versions of class/resource files to coexist in the same archive. This upgrade makes it easier ...

Only works for a single package (i.e. you can't merge two packages into one bundled file). Assumes all files have only one class/enum/interface in it (not counting inner classes). Note that this is ...

There can be only one PUBLIC class in any .java file whose name must match with the name of that .java file. We can create multiple number of classes in a single .java file. A class is just a blue ...

A JAR (Java Archive) is typically used to incorporate code and associated resources into one file to distribute Java software. A cryptographically signed JAR file provides assurance about the ...