Okay so I figured out how to make Slick2D applets, but when I come to add images or sounds to it, it stops working... From looking around and opening up other slick2d applets, I've noticed that they have 3 files in their meta-inf.
My meta-inf only has the .MF file, which looks like this:
With more research, I found out that there are programs to sign jars. The thing is, they cost money.
SOO here's my final question,
is there a free way to sign my jars..? What programs can be used (or is it just an option) ?