How to run Java .jar without MANIFEST.MF?

Question

Is it possible to run a Java app which doesn\'t contain MANIFEST.MF file? Of course, there\'s static main method,just lacks manifest file. And the app

Answer 1

Of course! Just use this:

java -cp MyJar.jar com.example.Main

Answer 2

You can also add the manifest, with the following command:

jar  -uvfe  your.jar foo.bar.Baz
java -jar your.jar        # tries to run main in foo.bar.Baz

Answer 3

It is possible, you can specify the class to run from the command line:

java -cp yourJar.jar your.main.Class

Same question here:

How to run a class from Jar which is not the Main-Class in its Manifest file

Answer 4

Yes , use this

java -cp myJar.jar package.className