How to Open a .jar File on Windows 10 SystemJoseph Lee
Filename extension .jar is developed by Netscape, Sun Microsystems, and Oracle Corporation. The types of format include file archive and data compression. And it is extended from ZIP. It is a package file format which used to aggregate many Java class files.This file extension is also called metadata and resources into one file for distribution. But, many users get an error while opening such files in their Windows systems, if you also face the same, then check this article on how to open jar files on Windows 10!
How to open .JAR files?
If you want to use and open a .jar java file, then you have to install it and make it able to run smoothly before you can proceed. .jar files are an invaluable resource because of their size, for sorting and sending data.
You must install the Java Runtime Environment if you want to open a jar file in Windows 10. After downloading Java Runtime Environment, you can run any jar file by double clicking. If the jar file you are trying to open is executable, then only it will work. If it is not executable, it may not open or run.
You can also rename the .jar file and make it a zip file and then open the file in some decompression software.
You can also use some software for decompression like;
- Corel Winzip 21,
- File Viewer Plus,
- WinRAR 5, etc.
Install such software and run. Then open the jar file from the software and extract the contained files which are available. After that, you can view the individual files by clicking them twice. Text files can open quickly, but other than those files may need some other software to view them.
Open the Windows Explorer and select ‘Folder Options’ from the ‘TOOLS’ option. Then select ‘File Types,’ and choose JAR File. Press the Advanced button and check the Edit File Type dialog box. Then open in Actions box and select Edit. By pressing the Browse button, navigate it to the location – Java interpreter – javaw.exe.
Step 1: Take a note that you have installed Java on your system. Type Java-version into the command terminal. If you are having the latest version of Java, it is okay to proceed before updating. Otherwise, update first and switch to the latest version.
Step 2: Make the file executable. Meta-inf/manifest.mf sets automatically by the Jar tool as the path of the .jar file. Enter Main Class: [Package Name].[Class Name] (fill your specific information in the bracket.) and then review your file.
Step 3: After the above steps, there will be very fewer issues where jar file won’t open. Run the .jar file using the command – j2rex.y.z\bin\javaw.exe
If you want to open your .jar file by double-clicking, then you should change the file type association and change the directory to the location of javaw that is java web start executable. Type this command: C:\Program Files\Java\j2rex.y.z\bin\javaw.exe” -jar “%1” %*
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