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Is is possible to lock the computer unless the user enters the password.

Posted on 2013-07-01
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Last Modified: 2013-07-01
I have created the Attendance Utility. Here in the module contains Short Break, Lunch break ,Day Attendance  etc etc.

Suppose the candidates goes for short breaks he needs to click on the button and the moment he click on the login screen will come and the screen should be locked.

When one enters the password the screen should be unlocked and so on.

Is there any method in java that can lock the screen.

Application is Windows Based using Swings.
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Question by:searchsanjaysharma
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7 Comments
 
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Accepted Solution

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krakatoa earned 500 total points
ID: 39289720
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Author Closing Comment

by:searchsanjaysharma
ID: 39289956
Tx
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Expert Comment

by:Valeri
ID: 39290034
THERE IS a way to lock screen, if it's Windows.
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Expert Comment

by:Valeri
ID: 39290042
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Expert Comment

by:krakatoa
ID: 39290096
>>Tx<<

;)

"Is there any method in java . . . " - was my point.
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Expert Comment

by:Valeri
ID: 39290155
Runtime r = Runtime.getRuntime();
Process p = r.exec("rundll32.exe user32.dll, LockWorkStation");
p.waitFor();
BufferedReader b = new BufferedReader(new InputStreamReader(p.getInputStream()));
String line = "";

while ((line = b.readLine()) != null) {
  System.out.println(line);
}
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Expert Comment

by:krakatoa
ID: 39290574
searchsanjaysharma : If you want to change to Valeri's workaround, then feel free to call Mod and get the points re-allocated.
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