Most computer users have heard of the Java programming language because it will be installed on a lot of machines and required on some websites. One good thing about Java is it’s cross platform and runs in it’s own self contained virtual machine, meaning the same applets and programs can be run on different operating systems such as Windows, Linux and Mac OS without using different code. Some users claim it slows their computer down because of the such as the Quick Starter process jqs.exe. One thing a Java install does do which annoys a lot of people is leave the previous versions in place to supposedly help with compatibility. The was designed to help clean out any old installation files. Exploits do appear from time to time which can potentially allow malware to be installed onto a computer if the user clicks the Yes button when visiting a website created by a hacker, but these exploits are rare and fixed pretty quickly. Although the Java Runtime Environment (JRE) package requires installation and there is no official portable version, it is still possible to run applets and applications without installing Java into Windows.
Jump to Upgrading Java - Upgrading to a Newer Version of Java. Delete the ImageJ.cfg file; Restart ImageJ and the launcher (ImageJ.exe) will generate. Jar File that Contains a Program Step. Download the jar file onto your desktop. Double-click on the file. The Java Runtime program will automatically detect and open the file. If your system does not have Java Runtime, you can download it free from Java using the link in the resource section.
An unofficial portable version from PortableApps.com allows you to copy Java to your USB flash drive or hard drive folder and run it from there. Here’s a guide on how to do that. Much easier with DocFetcher. All you have to do is download java port and place it in the same folder as doc fetcher. Then: 2º) Move docFetcher.bat from the “misc” folder one level up into the DocFetcher folder. 3º) Edit docFetcher.bat and add the path where your portable java is located.
Let’s say its in E: BUSQUEDAS DocFetcher-1.1.12 Java bin java, you have to replace “java” in java -enableassertions -Xmx512m -Xss2m -cp%libclasspath% -Djava.library.path=lib net.sourceforge.docfetcher.Main%1%2%3%4%5%6%7%8%9 by your path. So the result would be: E: BUSQUEDAS DocFetcher-1.1.12 Java bin java -enableassertions -Xmx512m -Xss2m -cp%libclasspath% -Djava.library.path=lib net.sourceforge.docfetcher.Main%1%2%3%4%5%6%7%8%9 4º) Double click the docFetcher.bat to launch docFetcher. Now you can go a bit further an convert the bat to an exe so you can give it an icon and pin it to the task bar. For one solid week I’ve been trying to java and netbeans portable to run from my flashdrive. Is this possible if the host computer doesn’t have a specific version of java or java installed at all.
How would one does this successfully? Do I need to specific version of portable netbeans? Because I found portable netbeans 8.0 but I need helpeverytime I try to run netbeans it comes up with “Cannot locate java installation in specific jdkhome: D: Portable Apps NetBeansJavaSE8.0Portable App jdk” Do you want to try to use the default version? And then it says “Cannot find Java 1.7 or higher” I’m very confused, can someone please help me?