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import java.util.Calendar;
public class Main {
public static void main(String[] args) {
Calendar now = Calendar.getInstance();
System.out.println("Current Date : " + (now.get(Calendar.MONTH) + 1) + "-"
+ now.get(Calendar.DATE) + "-" + now.get(Calendar.YEAR));
System.out.println("Current time : " + now.get(Calendar.HOUR_OF_DAY) + ":"
+ now.get(Calendar.MINUTE) + ":" + now.get(Calendar.SECOND));
now = Calendar.getInstance();
now.add(Calendar.HOUR, -3);
System.out.println("Time before 3 hours : " + now.get(Calendar.HOUR_OF_DAY) + ":"
+ now.get(Calendar.MINUTE) + ":" + now.get(Calendar.SECOND));
}
}
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