Java Program To Shutdown Computer

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import java.io.*;

public class JavaShutdownComputer {

	public static void main(String args[]) throws IOException {
		Runtime runtime = Runtime.getRuntime();
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

		System.out.print("Enter No. of Seconds after which You "
				+ "want your Computer to Shutdown :");
		long a = Long.parseLong(br.readLine());

		Process proc = runtime.exec("shutdown -s -t " + a);

		System.exit(0);
	}
}

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