[Java Source Code Blocks in Org 
Mode](https://orgmode.org/worg/org-contrib/babel/languages/ob-doc-java.html) 
says the following:

"It is not necessary to include the class statement or define a main method. 
ob-java will wrap a source code block in boilerplate class and main method 
definitions if they are omitted. If :classname and the class definition in the 
source code block are both omitted, the class will be named Main."

The following example is provided:

#+begin_src java :results output
System.out.print("hello, world");
#+end_src

This returns error "can't compile a java block without a classname." This 
contradicts the documentation.

This has been duplicated on Gentoo and Ubuntu 20.04 in Emacs version 27.2. org 
version 9.4.4, 9.4.6 and 26.3 9.1.9 using the following .emacs.el:

(require 'org)
(org-babel-do-load-languages
'org-babel-load-languages
'(
(java . t)
))

The documentation appears to be outdated or misleading, or missing some crucial 
piece of information that a newbie needs to be aware of. Please advise on 
whether this is a bug and how to fix it. I am new to using the mailing list.

Upgrading to 9.4.6 did not fix this

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