In software development, JAR (Java ARchive) files are used to package and distribute Java programs. Each JAR file contains a manifest that includes metadata about the JAR, such as the version of the program. To check the version of a JAR file, you can use the `jar` command-line utility.
The `jar` command has a `-v` option that prints the manifest of a JAR file. To check the version of a JAR file, you can use the following command: