Java Add Time To Date Example

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import java.util.*;

public class JavaAddTimeToDate {

	public static void main(String[] args) throws Exception {
		Date date = new Date();
		Calendar calendar = Calendar.getInstance();
		calendar.setTime(date);
		System.out.println("today is " + date.toString());
		calendar.add(Calendar.MONTH, 1);
		System.out.println("date after a month will be " + calendar.getTime().toString());
		calendar.add(Calendar.HOUR, 70);
		System.out.println("date after 7 hrs will be " + calendar.getTime().toString());
		calendar.add(Calendar.YEAR, 3);
		System.out.println("date after 3 years will be " + calendar.getTime().toString());
	}
}

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