How To Create An Executable Jar File With Eclipse

Here is how to create an executable jar with eclipse.

1) Create a Java project and create a main class.

2) Select the project and click on Run->Run Configurations... menu. From the left
   panel of the Run Configurations dialog, double click on Java Application.
   Specify the main class for the configuration, click  Apply  followed by Close.

3) Select File->Export... menu. In the Export dialog, select Java->Runnable Jar File. Click Next.

4) From Launch Configuration drop-down, select the Launch Configuration
    created in step 2.In Export Destination box, specify the file name for the
    exported jar file.

5) To test the exported jar file run the following command from the folder where the
   jar file is saved:
   java -jar filename.jar

  Replace filename.jar with the same file name specified in step 4.