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Installation instructions

Unpack the distribution. It will create a new folder/directory called “EJS_X.X” (where X.X stands for the current version, such as “EJS_4.2”), and that folder/directory will contain: the file “EjsConsole.jar”, and three folders/directories: “bin”, “doc”, and “workspace”.

  • Do not alter any files within the folder/directory called “bin”, and do not change the name of the folder/directory called “bin”. The “bin” folder/directory contains the library files for EJS.
  • Similarly, do not touch the folder/directory called “doc”. The “doc” directory contains a copy of this Wiki.
  • The folder/directory called “workspace” contains a sample work area. The concept of an EJS workspace is discussed here.

 

Note when reinstalling EJS: If you need to reinstall EJS, or upgrade to a newer version of it, follow the same procedure to unpack the new EJS bundle. You may want to make a backup copy of the existing “workspace/source” folder/directory in the installation directory (not your personal one) if you did changes to the sample simulation files included in it. There is no problem in overwriting previous copies of the “bin”, “doc”, or other folders/directories under “workspace”, and the “EjsConsole.jar” file.

 

If you need to install Java, go to http://java.sun.com/javase/downloads. The current version of EJS requires JRE 1.5 or later. (Note that only the Java Runtime Environment [JRE] is needed; the Java Development Kit [JDK] contains JRE as well as other things which are not needed to run EJS.)

  • For Windows, download the JRE installer; it is available in both online (smaller initial download size) and offline (self-contained) versions.
  • For Linux/Unix, download either the JRE installer or an rpm package which will do the installation.
  • MacOS X comes with a fully configured and ready-to-use Java Development Kit. But it can be updated regularly. To this end, visit the Mac OS X update page for Java.



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Page last modified on August 27, 2009, at 01:39 PM