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/* Add or substract seconds to current time using Java Calendar This example shows how to add or substract seconds in current time using Java Calendar class. */ import java.util.Calendar; public class AddSecondsToCurrentDate { public static void main(String[] args) { //create Calendar instance Calendar now = Calendar.getInstance(); System.out.println("Current time : " + now.get(Calendar.HOUR_OF_DAY) + ":" + now.get(Calendar.MINUTE) + ":" + now.get(Calendar.SECOND)); //add seconds to current date using Calendar.add method now.add(Calendar.SECOND,100); System.out.println("New time after adding 100 seconds : " + now.get(Calendar.HOUR_OF_DAY) + ":" + now.get(Calendar.MINUTE) + ":" + now.get(Calendar.SECOND)); /* * Java Calendar class automatically adjust the date,hour or minutesaccordingly * if adding seconds to the current time causes current minute, * hour or date to be changed. */ //substract seconds from current time using Calendar.add method now = Calendar.getInstance(); now.add(Calendar.SECOND, -50); System.out.println("Time before 50 minutes : " + now.get(Calendar.HOUR_OF_DAY) + ":" + now.get(Calendar.MINUTE) + ":" + now.get(Calendar.SECOND)); } } /* Typical output would be Current time : 16:37:13 New time after adding 100 seconds : 16:38:53 Time before 50 minutes : 16:36:23 */ |
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