Polarbar/Java Information

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Users of Polarbar Mailer are a diverse group and one reason for this is due to the 100% pure Java implementation of the software. This page describes what software is needed and where to find a Java runtime environment for your operating system. If you're new to Java and need to get more information besides what is documented here, please visit the main Java site.

What Java Version?

The Polarbar Mailer currently supports Java 1.1, 1.3, and 1.4. Polarbar does not work under the original Java 1.0 environment and works very poorly under the Java 1.2 environment.

If you must run Java 1.2, Polarbar Mailer currently only works if you use the oldjava startup command.

Where Is Java?

Java depends on the operating system you normally use to provide the environment Polarbar Mailer operates on. Here are the most popular sites to get the Java runtime:

The Java2 Standard Edition Runtime Environment for Windows, Solaris, and Linux is produced by Sun.

IBM supplies their own Java Developers Kit, which includes the Java Runtime Environment, on their Developer's web site. Supported operating systems include Windows 95/98/NT, Linux, and OS/2. If you don't mind registering (free), you can download the necessary components from there.

Blackdown is another organization that supports the Linux operating system. You can visit the Blackdown web site to access the Java Development Kit for Linux (free).

For FreeBSD, you can either use either the native or one of the Linux JDK ports.

Mac OS users running versions older than OS X can visit the Mac OS Classic Java web site to obtain the MRJ 2.2.5 Runtime Environment.


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