Oracle has deprecated the Java browser plugin entirely in recent Java SE releases. How to Download the Java Deployment Toolkit
Current versions of Firefox (Quantum) do not support the Java Deployment Toolkit plugin. java deployment toolkit download firefox
The Java Deployment Toolkit (DT) was once a standard component for running Java applets and web start applications. However, modern security standards and browser updates have changed how it works. If you are looking to download or manage the Java Deployment Toolkit for Firefox, here is the essential information you need. Oracle has deprecated the Java browser plugin entirely
Verify System Path: The Java installation directory must be correctly set in your system's environment variables. However, modern security standards and browser updates have
Most modern browsers, including Firefox, have discontinued support for the NPAPI (Netscape Plugin Application Programming Interface) architecture that the Java Deployment Toolkit relies on.