Jython Frequently Asked Questions

• JythonFaq/GeneralInfo

  • What is Jython?
  • What is JPython
  • Is Jython the same language as Python?
  • What is the current status of Jython?
  • How fast is Jython?
  • Where do I learn more about Jython

• JythonFaq/InstallingJython

  • Why do I get NoClassDefFoundError when running the installer

  • Why can't I use "from java import ..." on Windows?"
  • What is "python.path" and "python.prepath" mean in the Jython registry
  • Why no command-line history in Jython?
  • Why do I get the error, "can't create package cache dir, '/cachedir/packages'"
  • Where's the registry file
  • GUI-less installer?
  • Jython cannot find your Java class, even though it exists in the class path.

• JythonFaq/ProgrammingJython

  • Why can't I multiply inherit from two Java classes?
  • Why does dir(someJavaObject) return the empty list?
  • I'm trying to execute a 'protected' or 'private' Java Instance Method or attribute in a Java package. How can I get access?
  • Can I reload a java class as is possible for python modules?
  • How can I access Java protected (static) members from a Jython subclass?
  • How can I use a Java null value in Jython?
  • Where's the -O switch
  • When I write to a file, it's empty. Why?
  • The Jython's os module is missing some functions, why?
  • How can I manipulate a java.util.Date object in Jython?
  • The future of jythonc with Jython v2.2b2 or greater

• JythonFaq/JythonModules

  • What parts of the Python library are supported?
  • Can I use the python DB API from Jython?
  • Can I use the Numeric package from Jython?

• JythonFaq/ExtendingJython

  • Java classes that emulate Jython Dictionaries and Sequences
  • Emulating Jython object attribute access with a Java class
  • Supporting *args and **kw in Java methods

• JythonFaq/EmbeddingJython

  • How can I use jython classes from my java application?
  • My modules can not be found when imported from an embedded application

• JythonFaq/DistributingJythonScripts

  • How can do others use scripts/applications I've developed?

'''This is what you would call a test'''