In earlier versions of Windows & by default, JAR files were opened & run by the current Java installation. Somewhere along the way however, this file association can be broken. For example, WinRAR (a popular compression/extraction utility) may be defaulted to open the JAR files as compressed archives - allowing one to view the contained files but providing no means by which to run them. Also, later versions of Windows (currently, such as Windows 10) simply do not have JAR files associated with the current Java installation for whatever reason.
So, users upgrading to 10 may suddenly find such programs are no longer loading. Yet, rest assured! The program likely still works!It just needs a little help loading.Now certainly, the JAR file still needs Java to run. Yet if a user does not happen to know either the command-line syntax or where the necessary files are, this already poses a bit of a problem - especially since the folder in which Java is located is not always the same but often times reflects the specific version of that particular Java installation. Luckily, Java's folder is most often added automatically to the default system path, and this helps us find where it is. Even if one knows how to do all this, it can be a bit of a hassle to do each time one wishes to load a JAR application.JARRunner locates the current Java installation, calls the appropriate application (JavaW.exe), & directs it to run the JAR file.
It integrates right into the Windows system & also has a CMD/DOS command line option. Options:. Click-and-drag JAR file onto the JARRunner EXEcutable or shortcut. Right-click JAR file, select 'Open with', navigate to JARRunner EXEcutable(Of course, one can make this the default for JAR files from now on). Command line syntax: JARRUNNER drive:pathfilename. In earlier versions of Windows & by default, JAR files were opened & run by the current Java installation.
Somewhere along the way however, this file association can be broken. For example, WinRAR (a popular compression/extraction utility) may be defaulted to open the JAR files as compressed archives - allowing one to view the contained files but providing no means by which to run them. Also, later versions of Windows (currently, such as Windows 10) simply do not have JAR files associated with the current Java installation for whatever reason. So, users upgrading to 10 may suddenly find such programs are no longer loading. Yet, rest assured! The program likely still works!It just needs a little help loading.Now certainly, the JAR file still needs Java to run.
Yet if a user does not happen to know either the command-line syntax or where the necessary files are, this already poses a bit of a problem - especially since the folder in which Java is located is not always the same but often times reflects the specific version of that particular Java installation. Luckily, Java's folder is most often added automatically to the default system path, and this helps us find where it is. Even if one knows how to do all this, it can be a bit of a hassle to do each time one wishes to load a JAR application.JARRunner locates the current Java installation, calls the appropriate application (JavaW.exe), & directs it to run the JAR file.
It integrates right into the Windows system & also has a CMD/DOS command line option. Options:. Click-and-drag JAR file onto the JARRunner EXEcutable or shortcut. Right-click JAR file, select 'Open with', navigate to JARRunner EXEcutable(Of course, one can make this the default for JAR files from now on). Command line syntax: JARRUNNER drive:pathfilename.
NoteIf double-clicking the jar file does not result in the file being run, it's likely the jar file is not an executable file and cannot be run in this manner. Read the next section on how to view the contents of the jar file.If the jar file opens with an archive program, such as WinRAR or 7-Zip, and you want it to open with Java instead, follow the instructions below.
(The jar file must contain executable Java code for these steps to work.). the file and select Open With. In the Open With window, click the Browse button to open the File Explorer window. You need to find the Java executable file (java.exe file) on your computer hard drive. It is often located in the 'Program FilesJava' or 'Program Files (x86)Java' folder, within a possible subfolder below the Java folder.
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Once you find the file, select it and click OK.To view the file (decompression)To view individual files in a non-executable jar file, you can obtain compression/decompression software that can work with jar files. We recommend using either 7-Zip or WinRAR.Once you have installed this software, run the software, open the jar file, and extract the files contained in it. Once the files are extracted, you can view the individual files by double clicking them.
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Many of those files are probably text files, but others may require additional software to view them.