Unabled to set Environment Variables to point to javac.exe

Hi everyone
I have recently installed the Java Development Kit 6 in my Windows 7 Ultimate 32 bit installation but not been able to set the path to the javac compiler in the Environment Variables. What I have done so far is:
Opened the Environment Variables dialog obx
Created a new PATH to C:\Program Files\Java\jdk1.6.0_20\bin under User Variables
Added C:\Program Files\Java\jdk1.6.0_20\bin to the right end of the series of directories called 'Path' under System Variables
The instructions on this in the Oracle website seems to be written for Windows XP and apparently different setup is required for Windows 7. All I want to do is every time I launch Command Prompt, the Prompt knows where javac.exe is so it can execute it without my typing the path to the compiler.
A funny thing I noticed is that Windows 7 only has a variable called 'Path' under System Variables not under User Variables.
I would like to have as much as avice/instructions as possible because it has been nagging me for quite some time and irresolvable.
Thank you in advance,
Derek

Environment (env) variable names are case insensitive. So Path and PATH are the same.
The 'System' env vars are at the top.
The 'User' env vars inherit from the 'System' env vars. So every env var in 'System' is in 'User'. The 'User' exists so that two people on the same box can have different env vars.
If you want to use 'User' to set the Path then you would do it like this in the User panel.
<pre>%PATH%;C:\Program Files\Java\jdk1.6.0_20\bin</pre>
That would add your java path to the System one. If you are not concerned about users then you can just modify System.
You can verify the settings by opening a console window and typing the following.
<pre>set PATH</pre>
As for why it is isn't working.
- You forgot to say 'Ok'. I do this occassionally. Until you hit Ok on the Env Variables main box your changes do not get applied.
- Something is actually wrong with the path that you typed.
- Win 7 might not propogate into the OS like previous systems. I believe I have seen this. I know that the console shell was re-written for Win7 to make it a more integral part of the OS. Rebooting solves this and log in/out might as well. Or I might just be mistaken as well.

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i
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#1 05-02-2003, 07:38 AM
Goodz13 Join Date: Jan 2002, Posts: 985
Location: Halifax, NS, Canada
Reputation:
Java FAQ's and tutorials
Java FAQ's
Path and ClassPath:
PATH
In Windows 9x you would set it up in the autoexec.bat file
ie.
SET PATH=%PATH%;c:\jdk1.4.2\bin\;
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In Windows 2000 and XP
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It should look something like this:
%SystemRoot%\system32;%SystemRoot%;c:\jdk1.4.2\bin\;
Any querry email me to [email protected]
Answer by
Rajasekhar Goli
DS UNICS Infotech

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Very many thanks for ur solution.. i actually hadset the environment variables spacce..but when i execute the autoexec.bat file i dont get any error(out of env space)..but when i run the startup.bat file i get from the command prompt, i get the foll error.
This is my Autoexec.bat
SET JAVA_HOME=D:\Jkit\bin
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SET PATH=D:\Jkit\bin;C:\WINDOWS;C:\WINDOWS\COMMAND;
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THE FOLLOWING IS THE ERROR I GET WHEN I RUN STARTUP.BAT UNDER TOMCAT'S BIN UNDER THE COMMAND PROMPT
D:\tomcat\jakarta-tomcat-4.1.29\bin>startup
Syntax error
Out of environment space
Out of environment space
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I even set JAVA_HOME AND CATALINE_HOME to the \bin dir respectively..
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