STEP 1 : Select Project that you want to export

STEP 2 : Select File/Right on click on project, Click on Export

STEP 3 : Open Java Folder, Select Jar file.

exportwindow

 

STEP 4 : Select source files and other required file or folder that you want to include in jar, click on browse, select the folder where jar need to create, enter jar file name. click ok

exportwindow2

STEP 5 : Click on Finish, jar creation are DONE