Question

Is there a way to tell jvm to look for a class with entry main method automatically rather than to specify it when invoking java ClassWithMainMethod?

In other words, I have directory with many compiled classes one of which has main method and I want to only specify that directory.

Answer 1

No, there is no way to do that. You can create an executable jar, and define what the main class is in the jar manifest, allowing you to use

java -jar MyJar.jar

though.

See http://docs.oracle.com/javase/tutorial/deployment/jar/appman.html

You may also deliver your app with a script which executes the appropriate command for you:

#startup.cmd
java -cp ... com.foo.bar.Main