How to create a jar file of application created in java

 easywayprogramming.com how to create jar file of application in java

Step 1:- Copy all the class files & file & folders required for application in folder

Step 2:- Setting environmental variable

             Open command prompt. Go to folder where your application exists.

             Set environmental variable by executing following command

             set path="c:/program files/ java/ jdk 1.5/ bin"; 

where path string is path of jdk/bin installed in your PC

Step 3:- Creating a jar file:

             Execute following command at command prompt.

             jar cvf application_name.jar *.*

             press enter. Your jar file is created.

Step 4:- Now open that jar file with winrar.

             Open manifest.mf file in notepad. manifest.mf file exists in folder META-INF folder. Write following line in last of file

             Main-Class: Name of first opening frame main class file of your application without .class extension without extension, for example password screen.

             Example, Main-Class: password_screen

             save changes to file.

                Double click on jar file. See what happens.