public class Main {
public static void main(String[] args) throws Exception{
long startTime = System.currentTimeMillis();
for (int i = 0; i < 10; i++) {
Thread.sleep(60);
}
long endTime = System.currentTimeMillis();
float seconds = (endTime - startTime) / 1000F;
System.out.println(Float.toString(seconds) + " seconds.");
}
}
//0.625 seconds.