I want to ask if it is possible to make my computer sleep and wake up in java. I'm not talking about multi threading. Please if it is, kindly explain or send the code to me. Thanks

You have to call a command from java directly to the operating system. Since java is multi platform, this code might not work for some os.

Using java.lang exec method:

Runtime.getRuntime().exec("rundll32.exe powrprof.dll,SetSuspendState 0,1,0";
System.exit(0);


this should work on windows32.

Thanks man. But kindly check, Programming for the blind link. I want the software to sleep the system after instructing the user that he/she can not read more than 1hr