Syntax error Subtract seconds from current time using Calendar.add() method in Java

Subtract seconds from current time using Calendar.add() method in Java

Import the following package for Calendar class in Java

import java.util.Calendar;

Firstly, create a Calendar object and display the current date and time

Calendar calendar = Calendar.getInstance();
System.out.println("Current Date and Time = " + calendar.getTime());

Now, let us decrement the seconds using the calendar.add() method and Calendar.SECOND constant. Set a negative value since we are decrementing

calendar.add(Calendar.SECOND, -20);

The following is an example

Example

 Live Demo

import java.util.Calendar;
public class Demo {
   public static void main(String[] args) {
      Calendar calendar = Calendar.getInstance();
      System.out.println("Current Date = " + calendar.getTime());
      // Subtract 20 seconds from current date
      calendar.add(Calendar.SECOND, -20);
      System.out.println("Updated Date = " + calendar.getTime());
   }
}

Output

Current Date = Thu Nov 22 18:05:36 UTC 2018
Updated Date = Thu Nov 22 18:05:16 UTC 2018
Updated on: 2020-06-27T13:35:46+05:30

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