Shutdown Computer - Cross Platform

Program to Shutdown Machine.


public class ShutdownMachine {
public static void main(String[] args)throws Exception {

String shutdownCommand;

String operatingSystem = System.getProperty("os.name");

if ("Linux".equals(operatingSystem)
|| "Mac OS X".equals(operatingSystem)) {
shutdownCommand = "shutdown -h now";
} else if ("Windows".equals(operatingSystem)) {
shutdownCommand = "shutdown.exe -s -t 0";
} else {
throw new RuntimeException("Unsupported operating system.");
}

Runtime.getRuntime().exec(shutdownCommand);
System.exit(0);

}
}