Wrong! J# was Microsoft’s Java.
"Visual J++ is Microsoft's discontinued implementation of Java" - https://en.wikipedia.org/wiki/Visual_J%2B%2B
"J# does not compile Java-language source code to Java bytecode .. does not support Java applet development or the ability to host applets directly in a web browser" - https://en.wikipedia.org/wiki/Visual_J_Sharp
"Visual J++ is Microsoft's discontinued implementation of Java" - https://en.wikipedia.org/wiki/Visual_J%2B%2B
"J# does not compile Java-language source code to Java bytecode .. does not support Java applet development or the ability to host applets directly in a web browser" - https://en.wikipedia.org/wiki/Visual_J_Sharp