On a Windows 2008 R2 SP1 x64 machine, ensure that only Java 7 U21 is installed (jre-7u21-windows-x64.exe) and there are no other JREs lying around.
After it is installed, run the command: "C:\Program Files\Java\jre7\bin\javaw.exe" --help
How did a large company, such as Oracle, run their Java unit so sloppily??? What happened to their unit testing?
In 2017, with the release of Delphi 10.2 Tokyo, Embarcadero introduced a specialized implementation of the Observer pattern into the System.Classes unit. While it has been in the wild for 9 years, it remains a "hidden" architecture for many, primarily because it serves as the invisible engine behind LiveBindings. Other than live bindings, you can also use the Observer pattern as a way to update component settings to the Windows registry, an .ini file, or persist it elsewhere.
System.Classes