How to save changes in program?

Question

I have a program that have images(default) for background , but user can change and select images for background . But if i close the program and open again the images go back to default . How to save the changed images in my program ?

Thanks...

Answer 1

You're going to need to save the preferences to some sort of external properties of preferences mechanism. The properties will not be persisted without it.

MKyong has a simple example of using properties files. You can also see the Official Java tutorial for Properties

You'll probably also want to have a look at the Java Preferences API. Also here's a more/most recent documentation