Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
How can i start windows calcultor from a java code...
Rather unclear here. Do you mean to start the windows calc program? If yes, then have a look at launching external processes from java; check using this site[^].
Panic, Chaos, Destruction. My work here is done.