Create your own jar file.

Converting Files to a Jar file in eclipse:

Step 1:  Select the project and right click and go to Export

Step 2: Select the Jar file option under java 

Step 3: Select the project that is to be converted to jar file 

Step 4: Select the destination where the jar file is to saved.

 Step 5:  Click on next to continue

Step 6 :  Browse the main file

This  step can be done for application files using applets.

Click finish to complete conversion.