Creating an Executable (Double-Clickable) jar File

Oftentimes, an application is packaged as a jar file. Ususally, you have to use a command line option to execute it. It would be easier to double click on the jar file to get the application to run, instead of typing a command. To do this, you need a manifest file that specifies the Main class of the application as given below:

 Manifest-Version: 1.0Main-Class: 1.3.0_01 (Sun Microsystems Inc.)

The following command will create the executable jar:

 jar cfm myappln.jar  com

Here, myappln.jar is the name of the executable jar file. is the name of the manifest file and com is the base directory containing the classes.

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