static boolean isJadPresent() {
			try {
				String path = getJadPath();
				if (path != null) {
					return true;
				}
			}
			catch (IOException ioe) {
				// fall thru
			}
			return false;
		}
A cached check for the presence of the external JAD executable.

@return boolean if the executable, for the current platform, is present
Ghidra/Features/FileFormats/src/main/java/ghidra/file/jad/JadProcessWrapper.java