save changes in jar file

[swrta]

i make a netbeans project and create from it a jar file. inside a have a lot of textbox. i want to know how i gona save words in them, that they will be still there, after closing jar file

[bolsover]

You need to save the changes outside of the application; typically, this is done either in a database, an external file or, in the machine registry.

Take a look at this tutorial:
http://docs.oracle.com/javase/tutorial/essential/environment/properties.html