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Compare date time using after method of Java Calendar

  1. /*
  2.   Compare date time using after method of Java Calendar
  3.   This example shows how to compare two calendar objects having
  4.   different date and time using
  5.   after method of Java Calendar class.
  6. */
  7.  
  8. import java.util.Calendar;
  9.  
  10. public class CompareDateTimesUsingAfter {
  11.  
  12.   public static void main(String[] args) {
  13.    
  14.     //create first Calendar object
  15.     Calendar futureCal = Calendar.getInstance();
  16.    
  17.     //set it to some future date
  18.     futureCal.set(Calendar.YEAR, 2010);
  19.    
  20.     //create second Calendar object
  21.     Calendar now = Calendar.getInstance();
  22.    
  23.     /*
  24.      * To compare two different Calendar objects, use
  25.      * boolean after(Caledar anotherCal) method.
  26.      *
  27.      * If the first Calendar object's date and time is after
  28.      * anotherCal's date and time,
  29.      * it returns true, false otherwise.
  30.      */
  31.      
  32.     System.out.println("Current date : " + (now.get(Calendar.MONTH) + 1)
  33.                         + "-"
  34.                         + now.get(Calendar.DATE)
  35.                         + "-"
  36.                         + now.get(Calendar.YEAR));
  37.  
  38.      System.out.println("Is futureCal after now ? : " + futureCal.after(now));
  39.   }
  40. }
  41.  
  42. /*
  43. Typical output would be
  44. Current date : 12-25-2007
  45. Is futureCal after now ? : true
  46. */