Paul Roberts wrote:I am expecting a console to appear and messages to be generated depending on what I do with the mouse or the keyboard.
Why? That isn't the normal thing for an applet to do.
If you really want to see the Java console (and remember, the Java console isn't a normal part of using an applet) then there should be a "Java" icon somewhere on your system's task bar when you load an applet into your browser. One of its options is to open the Java console.