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Download jdk windows zip.Download the Microsoft Build of OpenJDK
Find centralized, trusted content and collaborate around the technologies you use most. Connect and share knowledge within a single location that is structured and easy to search. I like to be sure that everything will work just by copying the contents of the Java folder and setting the environment variables. Alternately, is it safe to assume that exe installer from sun just will just unzip the whole thing, without messing around with the registry, environment variables, etc?
You can download a Java Portable from PortableApps. It will not change your system settings. You can put it on your USB stick. Some people might be interested in official Oracle production-ready open source build of JDK. Now you are ready to go. Browse to Universal Extractor LegRoom. If you've drag-and-dropped jre1. Follow all levels inside and you'll see core. This is what you are after. You can just unzip it anywhere and you'll have the content of the Java runtime or SDK without installing anything on your system.
Unzip tools. The widely-upvoted answer is fine, I've used it for quite some time in the form of this bat file:. There is a. The Windows. You can download a portable Zulu. Now Java developers, system administrators and end users can enjoy the full benefits of open source Java with deployment flexibility and control over upgrade timing. Here is a link for JDK 5 zip file. The zip file contains a folder called java.
It includes the JDK 1. JDK's can be downloaded from here as zip file nor. I Had a way to extract a copy of the JDK from the installers files: Install it, Copy it in other place and then uninstall it. A dirty way to extract it, but was successfull. You can just use 7zip or another similar app to get the dirs inside the core. Just use 7zip to browse the exe, you'll see a core. As for setting env variables and the such, you can follow the other answers.
If all you want is a portable jre for example, you can run your jars by using java. This is very similar to copying the jre dir from one place to another. From there, I would install this in a throw-away VM, on your old crufty PC or elsewhere, then transfer the resulting. I did copy the JRE folder several times and it always works fine. But I am really not sure if you can just get a zip file with its contents, as the official installation install the plugins for IE, Firefox and whatsoever.
Commands from tips below wrapped as batch script. Save this as unpack. Stack Overflow for Teams — Start collaborating and sharing organizational knowledge. Create a free Team Why Teams?
Learn more about Collectives. Learn more about Teams. Asked 13 years, 4 months ago. Modified 2 years, 11 months ago. Viewed k times. Improve this question. Community Bot 1 1 1 silver badge. Probably it does other things too as the Java will probably not find its way to the Windows Control Panel by itself.
Though I've never tried to find one. In support of this question: I have to install a JRE by hand to avoid my company's tendency to break it with "Fixes" remotely installed. Currently I install it, copy it then uninstall it to hide it from them--seems kind of annoying but the way it is now breaks our entire dev setup with every patch.
When I format my computer, it always burns me because Maven requires it to be set and forces me to fix it. I do not know why it fails to set for me yet works for others since I've had this problem on Windows XP, 7, and 8. I always thought that the installer was supposed to do that for me but just ended up doing it myself out of frustration. Show 6 more comments. Sorted by: Reset to default. Highest score default Trending recent votes count more Date modified newest first Date created oldest first.
Improve this answer. Polywhirl Igor Igor 5, 2 2 gold badges 15 15 silver badges 7 7 bronze badges. If you want to automate it, once you have 7-zip installed you can just use the 7z. So for example: 7z e jdk-7uwindows-x If you want the src. It appears that as of JDK 7u40, the exe file has tools. I didn't have an. JDK 8u65 — Molten Ice. AlixLourme same is true for jdk-6uwindows-x64, the file is in. Show 18 more comments.
Create destination folder where you can RWX e. Marc T Marc T 6 6 silver badges 5 5 bronze badges. It worked for the bit version on Windows 7 on the jdk-8uwindows-x This answer allowed me to unpack JDK 8 — user MarcT running java -version still points to the old jdk. How can upate java to points to the new jdk? Apparently Oracle changed the packaging with latest JDK8 updates , and this trick does not work anymore :- — Marc T. Show 5 more comments. Maksim Vi. It would be better if it was provider by Oracle.
Show 2 more comments. David Richmond David Richmond 4 4 silver badges 4 4 bronze badges. If the above is too much like hard work, you could also try portableapps. I make a small tool to automate the above process: github. Add a comment. Run and wait for the installer to load. Minimize the window. Stage 3: finally, extract the inner container named core. Wait for the process to finish.
Enter the new created folder. Cheran Shunmugavel 8, 1 1 gold badge 32 32 silver badges 40 40 bronze badges. This doesn't seem to work for me I am trying to get 6. I think my problem was something to do with it being an online installer. I found an older x86 version that was an offline installer and it seems to give me the core. Still can't seem to get it to work on JDK though Jackie you should use full also known as 'offline' version.
For me core. Show 4 more comments. The answer has been given before. It works for "jdk-8uwindows-x Actually we need to unpack all packages. Bennett McElwee Ahmad Ahmad 3 3 silver badges 3 3 bronze badges.
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