Subtract hours from current date using Calendar.add method : Calendar Date « Development Class « Java

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Java » Development Class » Calendar Date Screenshots  Subtract hours from current date using Calendar.add method       import java.util.Calendar; public class Main {   public static void main(String[] args) {     Calendar now = Calendar.getInstance();     System.out.println("Current Date : " + (now.get(Calendar.MONTH) + 1) + "-"         + now.get(Calendar.DATE) + "-" + now.get(Calendar.YEAR));     System.out.println("Current time : " + now.get(Calendar.HOUR_OF_DAY) + ":"         + now.get(Calendar.MINUTE) + ":" + now.get(Calendar.SECOND));     now = Calendar.getInstance();     now.add(Calendar.HOUR, -3);     System.out.println("Time before 3 hours : " + now.get(Calendar.HOUR_OF_DAY) + ":"         + now.get(Calendar.MINUTE) + ":" + now.get(Calendar.SECOND));   } }                            Related examples in the same category 1.  Create a Date object using the Calendar class 2.  When does the UNIX date get into trouble 3.  Trivial class to show use of Date and Calendar objects 4.  Convert longs (time_t in UNIX terminology) to seconds 5.  Show use of Calendar objects 6.  How quickly can you press return 7.  Easter - 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