Creating a JAR file using Command Prompt
Step 1 Compile your Java Code Step 2 Create a manifest file like the one below Main-Class: (Your Class name which has the main method) Double press "enter" So that you have 2 empty lines after typing the above. (Save with extension .txt not .mf) Step 3 run the following command on cmd jar cfm "Name You want for your JAR file".jar "name of mainfest".txt "name of all classes, or you can use '*' ".class (eg: jar cfm MyProgram.jar manifest.txt *.class) Press enter Now a JAR File will be created in the current directory Step 4 run your jar file by using the following command java -jar "JAR Name".jar