Using Eclipse to package Java projects as Jar executables

Instead of installing your Java project into your computer, package your project directly into a. jar file and double-click it to run (provided that the computer running the jar file has a Java Virtual machine installed):

Select "File"-> "Export", select "Java"-> "JAR file" in the Open dialog box, then "Next", select the item or Java file you want to package in the new window, in the "Select the Export Destination Select the path where you want to put this packaged file, next and Next, select the class of your project Main method (note, important) in the Select the class of the application entry point: Finish "OK, you double-click the generated jar file to try, you can think of EXE file that run."