how to calculate 30 days from a date in java
package com.mkyong.time;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
public class DateExample {
private static final DateFormat dateFormat = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
public static void main(String[] args) {
Date currentDate = new Date();
System.out.println(dateFormat.format(currentDate));
// convert date to calendar
Calendar c = Calendar.getInstance();
c.setTime(currentDate);
// manipulate date
c.add(Calendar.YEAR, 1);
c.add(Calendar.MONTH, 1);
c.add(Calendar.DATE, 1); //same with c.add(Calendar.DAY_OF_MONTH, 1);
c.add(Calendar.HOUR, 1);
c.add(Calendar.MINUTE, 1);
c.add(Calendar.SECOND, 1);
// convert calendar to date
Date currentDatePlusOne = c.getTime();
System.out.println(dateFormat.format(currentDatePlusOne));
}
}
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