Java Calendar compareTo() Method

The compareTo() method of Calendar class compares the time values (millisecond offsets) between two calendar object.

Syntax

Parameter

anotherCalendar - the Calendar object to be compared.

Returns

Returns an integer value either 0 , 1 or -1

Throws

NullPointerException - if the specified Calendar is null.

IllegalArgumentException - if the time value of the specified Calendar object can't be obtained

Example 1

import java.util.Calendar;
public class CalendarComparetoExample1 {    
public static void main(String[] args) {
      // create two calendar at the different dates
        Calendar cal1 =  (Calendar) Calendar.getInstance();
      Calendar cal2 = (Calendar) Calendar.getInstance();;
      // compare the time values represented by two calendar objects.
       cal2.add(Calendar.HOUR, 10);
       cal2.add(Calendar.MINUTE, 10);
       cal2.add(Calendar.SECOND, 10);
      int i = cal2.compareTo(cal1);
       // It should return a positive integer(usually 1),
      //if the current triggering object is greater than the passed one
      System.out.println("The result is :"+i);      
   }
}

Test it Now

Output:

The result is :1

Example 2

import java.util.Calendar;
public class CalendarComparetoExample2 {
    public static void main(String[] args) {
      // create two calendar at the different dates
       Calendar cal1 =  (Calendar) Calendar.getInstance();
      Calendar cal2 = (Calendar) Calendar.getInstance();;
      // compare the time values represented by two calendar objects.
       cal2.add(Calendar.HOUR, 10);
       cal2.add(Calendar.MINUTE, 10);
       cal2.add(Calendar.SECOND, 10);
       int z = cal1.compareTo(cal2);
      // It should return a negative integer( -1),
      //if the current triggering object is less than the passed one
      System.out.println("The result is :" + z);
   }
}

Test it Now

Output:

The result is :-1

Example 3

import java.util.Calendar;
public class CalendarComparetoExample3 {   
public static void main(String[] args) {
      // create two calendar at the different dates
       Calendar cal1 =  (Calendar) Calendar.getInstance();
     Calendar cal2 = (Calendar) Calendar.getInstance();;
      // compare the time values represented by two calendar objects.
       cal2.add(Calendar.HOUR, 10);
       cal2.add(Calendar.MINUTE, 10);
       cal2.add(Calendar.SECOND, 10);
      // compare again but with the two calendars swapped
      int j = cal1.compareTo(cal1);
      // It should return 0 ,
      //if the current triggering object is less equal to the  passed one
      System.out.println("The result is :" + j);
      }
}

Test it Now

Output:

The result is :0

Next TopicJava Calendar Class

← prev next →

Help Others, Please Share

Javatpoint Services

JavaTpoint offers too many high quality services. Mail us on [email protected], to get more information about given services.

Website Designing
Website Development
Java Development
PHP Development
WordPress
Graphic Designing
Logo
Digital Marketing
On Page and Off Page SEO
PPC
Content Development
Corporate Training
Classroom and Online Training
Data Entry

Training For College Campus

JavaTpoint offers college campus training on Core Java, Advance Java, .Net, Android, Hadoop, PHP, Web Technology and Python. Please mail your requirement at [email protected].
Duration: 1 week to 2 week

^{Like/Subscribe us for latest updates or newsletter}