Open jar files with java

For example, many of the JAR files in a program's data folders are not executable files. If you downloaded your JAR file from online, make sure you clicked the Windows version of the file rather than the Mac version. Update Java. If your JAR file produces an error when you double-click it, you may need to update Java.

Double-click your JAR file again. If it doesn't open this time, the file you're trying to open isn't executable and thus cannot be "run" in the traditional sense. Method 2. Try double-clicking your JAR file. If double-clicking the file doesn't open it, proceed to the next step. If you downloaded your JAR file from online, make sure you downloaded the Mac version and not another operating system's version.

You just download them. Minecraft won't affect it unless your computer is really old and slow. Not Helpful 4 Helpful 7. You use the command: "java -jar ". You can also run these files by clicking on them on some distros of Linux, but it does not happen on most. You created it as some sort of place where you'll archive things. Even though you created a jar file, it doesn't mean that it is an executable, so it won't run. Not Helpful 24 Helpful Yes, as long as you have either Crostini or Crouton installed.

Crouton: github. Crostini: it's in the chromebook settings. Look under "Linux beta ". Not Helpful 0 Helpful 1. Include your email address to get a message when this question is answered.

Java programs should work on all platforms. If one does not, either it was not coded properly, or it is a very specialized program that calls on system resources or other programs. Helpful 0 Not Helpful 0. If it's a library, it has no executable class inside and thus there is no use in running it.

Java is safer than most programming languages, but malware written in Java still exists. Be cautious of running JAR files downloaded from online. Helpful 1 Not Helpful 1. You Might Also Like How to. How to. About This Article. Written by:. Co-authors: Updated: May 6, Categories: Software. Article Summary X 1. Italiano: Eseguire un File.

Jar di Java. Deutsch: Eine. Nederlands: Een Java. Jar Java. Jar Java File. Thanks to all authors for creating a page that has been read 2,, times. Now I can download mods on my games! If the jar file opens using an archive program, such as WinRAR or 7-Zip, and you want Java to open it instead, follow the instructions below. The jar file must contain executable Java code for these steps to work. 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. Many of those files are probably text files, but others may require additional software to view them. If the jar file defaults to be opened with an archive program, such as WinRAR or 7-Zip, you can change the default program.

To change the default program that opens jar files, right-click the jar file, select Open With , then Choose default program. You need to find the executable file. To run the file Java Runtime Environment. To view the file decompression. Note If double-clicking the jar file does not result in the file being run, it's likely not an executable file and cannot run in this manner.