what does environmental variables do?

what each environment varible does in setting up an java environment?PATH?CLASSPATH?JAVA_HOME?JREHOME?
[137 byte] By [vinney_143a] at [2007-11-27 6:35:41]
# 1
The PATH environment variable is....Aw **** it, just Google it dude.
maple_shafta at 2007-7-12 18:02:52 > top of Java-index,Java Essentials,Java Programming...
# 2

> what each environment varible does in setting up an

> java environment?

> PATH?

http://vlaurie.com/computers2/Articles/environment.htm

> CLASSPATH?

classpath to use by the JVM.

http://www.tech-faq.com/classpath.shtml e.g. Found using Google, btw.

> JAVA_HOME?

> JREHOME?

Installation directory of the JVM.

CeciNEstPasUnProgrammeura at 2007-7-12 18:02:52 > top of Java-index,Java Essentials,Java Programming...
# 3

> what each environment varible does in setting up an

> java environment?

> PATH?

Where the system executables are to be found

> CLASSPATH?

Where java is to search for files to execute

> JAVA_HOME?

The directory where you have installed your jdk

> JREHOME?

The directory where you have installed your Java Runtime Environment

Jamwaa at 2007-7-12 18:02:52 > top of Java-index,Java Essentials,Java Programming...
# 4
OTOH environmental variables work to affect such things as the amount of rain you're going to get today, or whether you'd want to wear shorts or thermal underwear.
jwentinga at 2007-7-12 18:02:52 > top of Java-index,Java Essentials,Java Programming...