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The Java 2 SDK is supported on Microsoft Windows 98 (1st or 2nd edition), NT 4.0 (with Service Pack 5 or later), ME, XP, and 2000 (with Service Pack 2 or later), running on Intel hardware. In non-English locales, the only edition of Microsoft Windows 2000 tested with this release is the Professional edition.
A Pentium 166MHz or faster processor with at least 32 megabytes of physical RAM is required to run graphically based applications. Forty-eight megabytes of RAM is recommended for applets running within a browser using the Java Plug-in product. Running with less memory may cause disk swapping which has a severe effect on performance. Very large programs may require more RAM for adequate performance.
You should have 120 megabytes of free disk space before attempting to install the Java 2 SDK software.
In this procedure, you will run the self-installing executable to unpack and install the Java 2 SDK software bundle.
Note: After the Java 2 SDK software has been installed, you may be asked to reboot your system. To continue using these instructions after rebooting, either print them now or use your Web browser's history function to get back to this page.
If you have any difficulties, see the Troubleshooting section at the end of this document.
For example, if you are downloading the installer for update 1.4.1_01, the following file name:j2sdk-1_4_1_<version number>-windows-i586.exe
1. Check the download file size
If you save the self-installing executable to disk without running it from the download page at the Java Software web site, notice that its byte size is provided on the download page. Once the download has completed, check that you have downloaded the full, uncorrupted software file.2. Uninstall any Prior Version of the Java 2 SDK
If you have previously installed another version of the Java 2 SDK, uninstall it. Use the Microsoft Windows Add/Remove Programs utility, accessible from the Control Panel (Start --> Settings --> Control Panel).3. Run the Java 2 SDK installer
Note -- you must have administrative permissions in order to install the Java 2 SDK on Microsoft Windows 2000 and XP.
The file j2sdk-1_4_1_<version number>-windows-i586-i.exe is the Java 2 SDK installer. If you downloaded it instead of running it directly from the web site, double-click on the installer's icon. Then follow the instructions the installer provides. When done with the installation, you can delete the download file to recover disk space.
Installed Directory Tree
In addition, the Java Plug-in product and Java Web Start product will automatically be installed. Look for a Java Web Start icon on your desktop. There will also be an entry for Java Web Start in the Start --> Programs menu.4. Delete the downloaded file
If you want to recover disk space, delete the file (or files) you originally downloaded.5. Update the PATH variable
You can run the Java 2 SDK without setting the PATH variable, or you can optionally set it as a convenience.
Should I set the PATH variable?
How do I set the PATH permanently?
Microsoft Windows NT, 2000, and XP - To set the PATH permanently:
Microsoft Windows 98 - To set the PATH permanently, open the AUTOEXEC.BAT file and add or change the PATH statement as follows:
Microsoft Windows ME - To set the PATH permanently:
From the start menu, choose programs, accessories, system tools, and system information. This brings up a window titled "Microsoft Help and Support". From here, choose the tools menu, then select the system configuration utility. Click the environment tab, select PATH and press the edit button. Now add the SDK to your path as described in step b above. After you've added the location of the SDK to your PATH, save the changes and reboot your machine when prompted.
6. Start using the Java 2 SDK!
Your computer system should now be ready to use the Java 2 SDK. In this step, you'll run some simple commands to make sure it is working properly.
If you are new to developing and running programs in the Java programming language, see The Java Tutorial online for some guidance. Note especially the tutorial trails under the heading Trails Covering the Basics.
You can also download the Java 2 SDK documentation from the Java 2 SDK download page..
Uninstalling the Java 2 SDK
Troubleshooting the Installation
Below are some tips for working around problems that are sometimes seen during or following an installation. For more troubleshooting information, see the Java FAQ.
These errors could be caused by a known problem with InstallShield. See the InstallShield web site for a discussion of this problem with possible solutions: http://support.installshield.com/kb/view.asp?pcode=ALL&articleid=Q104985
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