When you type java. You can lookup all versions of Java installed in registry. This is how java itself finds out different versions installed. And this is why both bit and bit version can co-exist and works fine without interfering. The batch script below will print out the existing default JRE. More on Windows With nothing Java related on the path java -version can still work.
However when PeterMmm's program is run it reports the value of Program Files as java. One way to hunt down the location of the java. Compile and run it, then hunt down the location of the java. In this case it would be System The -All part makes sure to show all places it appears in the Path lookup.
Below is example output. Just execute the set command in your command line. Then you see all the environments variables you have set. None of these answers are correct for Linux if you are looking for the home that includes the subdirs such as: bin, docs, include, jre, lib, etc.
While it's true which java will provide the binary path, it is not the true JDK home. I have improved munsingh 's answer above by testing for the registry key in bit and bit registries, if needed:.
Right click on OpenJDK platform binary. Click open file location. Stack Overflow for Teams — Collaborate and share knowledge with a private group.
Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. How do I find where JDK is installed on my windows machine? Ask Question. Asked 10 years, 10 months ago. Active 1 month ago. Viewed 1. I need to know where JDK is located on my machine.
Improve this question. Ashine Ashine 4, 3 3 gold badges 23 23 silver badges 26 26 bronze badges. Today I downloaded the version 7. There was an older version 6 JRE already installed.
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Copy link Quote reply. NOTE: If clicking Download doesn't show a box and takes you straight to the login page instead, you will need to clear your cookies on the Java website or open in incognito mode. Thank you bud. Owner Author. This doesn't work anymore. My answer above has been updated in response to changes to the download site. NOTE: If the box to accept the license agreement doesn't pop up and it takes you straight to the login page, you will need to clear your cookies on the Java website or open in incognito mode Thank you, it's worked ;.
I got mine by replacing otn in the URL with otn-pub, maybe that might help someone? Thanks Peter. Does not work anymore. Saves the day. Wow, worked like a charm. The pub one works like a charm!
It's free of cost anyway. The pub one worked! Many thanks Peter. Happy New Year! You are an amazing person! Thanks again! In case anyone is confused by the instructions, here's what you need to do: Go to the oracle download page and accept the license agreement.
Worked like a charm, thanks bud. You are the real MVP. It did. Doesnt Work anymore. This too worked for me. Much Thanks!! Perfect, thank you! It works, thanks. Adding -pub to otn has worked perfectly. Worked for me. Thanks king, you're a god among men. This college is so awesome. Nah, it does. I was just not paying attention to the URL. You're the man - thank you for this. If someone is looking for Mac, this is how I downloaded. It helps. This worked for me in Mar Ubuntu Can i get JRE without signin in.
That actually worked for me. Thanks a lot. System Error During Decompression. If you see the error message: system error during decompression , then there might not be enough space on the disk that contains the TEMP directory. If you see the error message: This program cannot be run in DOS mode , then do the following:. These left behind registry entries can cause problems in installing a new version of Java. The following are the methods to cleanup registry entries:.
Program Install and Uninstall troubleshooter Recommended Method. Run the Program Install and Uninstall troubleshooter to repair the corrupted registry keys that prevent programs from being completely uninstalled, or blocks new installations and updates.
Manually edit the registry Use this only if the Fix It utility does not work. Incorrectly editing your registry may severely damage your system. You should back up any valued data from your computer before making changes to the registry. Determine the correct Registry Key. Highlight the key, Right click and select Delete. Previous Next JavaScript must be enabled to correctly display this content.
JDK Installation Instruction Notation for Windows For any text in this document that contains the following notation, you must substitute the appropriate update version number: interim. Note: Verify the successful completion of file download by comparing the file size on the download page and your local drive. Alternatively, you can ensure that the downloaded file's checksum matches the one provided on the Java SE Downloads page.
Install JDK in silent mode using the command: jdk. During JDK installation and uninstallation processes, the appropriate start menu items are updated so that they are associated with the latest JDK version on the system Note: The Windows 7 and Windows 10 have a Start menu; however, the menu is not available in Windows 8 and Windows 8.
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