Add Days To Date Java Example

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import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.text.ParseException;

public class AddDaysToDate {
	public static void main(String args[]) {
		String oldDate = "2021-02-16";
		System.out.println("Date before Addition: " + oldDate);
		SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
		Calendar c = Calendar.getInstance();
		// Parsing and setting date to Calendar
		try {
			c.setTime(sdf.parse(oldDate));
		} catch (ParseException e) {
			e.printStackTrace();
		}

		// Adding 180 days to date.
		c.add(Calendar.DAY_OF_MONTH, 180);
		// Converting date to sting format.
		String newDate = sdf.format(c.getTime());
		// Displaying the new Date after addition of Days
		System.out.println("New date after addition: " + newDate);
	}
}


/* Output 
Date before Addition: 2021-02-16
New date after addition: 2021-08-15
*/

// Program to add days to current date.

import java.text.SimpleDateFormat;
import java.util.Calendar;

public class AddingDateToCurrentDate {
	public static void main(String args[]) {
		SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd");
		// This will give the current date and time.
		Calendar cal = Calendar.getInstance();
		System.out.println("Current Date: " + sdf.format(cal.getTime()));
		cal.add(Calendar.DAY_OF_MONTH, 180); // Will add 180 days
		String newDate = sdf.format(cal.getTime());

		System.out.println("New Date : " + newDate);
	}
}
/* Output
Current Date: 2021/08/08
New Date : 2022/02/04
*/
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