I don't know if extensions matter or not, but try renaming your .txt file as .mf and then jar it.

I know there's no practical purpose to this it's entirely theoretical. and I know a jar file uses the zip format. But how does one create a jar file without a manifest file. (I don't mean creating a ...

When Java applications are deployed, all of the files that constitute the Java app are compressed and packaged into a single file. While compressed files are typically given a .zip extension, the Java ...

Java archive files (JARs) let you import pre-coded libraries into your Android applications. JARs save time, because you can use the Java functions without writing your own code for certain processes.

Learn how to do basic CRUD operations on JAR, WAR, and EAR files using the command line. Although Java IDEs and numerous graphical tools make it easier than ever to view and manipulate the contents of ...