[carey]

If it’s just for Java that’s not really a problem. They might be able to run the applet directly with appletviewer, or repackage it for Java Web Start. Otherwise, CheerpJ has a solution for continuing to run the applet in the browser by converting it to WASM.

[anotherevan]

Just to note that Java Web Start is also discontinued.

Karakun are on it though: https://openwebstart.com/