Java Calendar getInstance() Method

The getInstance() method of java.util.Calendar class is a Static method. This method is used with calendar object to get the instance of calendar according to current time zone set by java Runtime environment.

Syntax

public static Calendar getInstance()
public static Calendar getInstance(Locale aLocale)
public static Calendar getInstance(TimeZone zone, Locale aLocale)
public static Calendar getInstance(TimeZone zon)

Parameter

Locale and TimeZone are passed as parameters.

Returns

Returns Calendar .

Throws

Does not throw exception.

Example 1

import java.util.Calendar;
public class JavaCalendargetInstanceExample1 {
    public static void main(String args[]){
    Calendar mycal1 = Calendar.getInstance();
    Calendar mycal2 = Calendar.getInstance();
     mycal2.set(1996, 9 , 23);
     System.out.println("mycal1 :" + mycal1.getTime());
     System.out.println("mycal2 :" + mycal2.getTime());
     if(mycal1.equals(mycal2))
    {
        System.out.println("both the instance of calendat are equal");
    }
     else{
         System.out.println("both the instance of calendat are not equal");
     }
}
}

Test it Now

Output:

mycal1 :Sat Aug 04 14:54:57 PDT 2018
mycal2 :Wed Oct 23 14:54:57 PDT 1996
both the instance of calendat are not equal

Example 2

import java.util.Calendar;
import java.util.GregorianCalendar;
public class JavaCalendargetInstanceExample2  extends GregorianCalendar {
    public static void main(String args[]){
    Calendar mycal1 = Calendar.getInstance();
    Calendar mycal2 = (GregorianCalendar)  GregorianCalendar.getInstance(){
     System.out.println("mycal1 :" + mycal1.getTime());
     System.out.println("mycal2 :" + mycal2.getTime());
     if(mycal1.equals(mycal2))
    {
        System.out.println("both the instance of calendat are equal");
    }
     else{
         System.out.println("both the instance of calendat are not equal");
          mycal1.clear();
         mycal2.clear();
         System.out.println("mycal1 :" + mycal1.getTime());
     System.out.println("mycal2 :" + mycal2.getTime());
     }  
}
}

Test it Now

Output:

mycal1 :Sat Aug 04 15:01:45 PDT 2018
mycal2 :Sat Aug 04 15:01:45 PDT 2018
both the instance of calendat are not equal
mycal1 :Thu Jan 01 00:00:00 PST 1970
mycal2 :Thu Jan 01 00:00:00 PST 1970

Example 3

import java.util.Calendar;
import java.util.Locale;
public class JavaCalendargetInstanceExample3 {
    public static void main(String args[]){
   //get instance method with locale as parameter
    Calendar mycal1 = Calendar.getInstance(new Locale("ja"));
    Calendar mycal2 = Calendar.getInstance(Locale.US);
     mycal2.set(1996, 9 , 23);
     System.out.println("mycal1 :" + mycal1.getTime() );
     System.out.println("mycal2 :" + mycal2.getTime());
     if(mycal1.equals(mycal2))
    {
        System.out.println("both the instance of calendat are equal");
    }
     else{
         System.out.println("both the instance of calendat are not equal");
     }
}
}

Test it Now

Output:

mycal1 :Sat Aug 04 23:23:00 PDT 2018
mycal2 :Wed Oct 23 23:23:00 PDT 1996
both the instance of calendat are not equal

Example 4

import java.util.Calendar;
import java.util.GregorianCalendar;
import java.util.Locale;
public class JavaCalendargetInstanceExample4  extends GregorianCalendar {
    public static void main(String args[]){
    //get instance method with locale as parameter
    Calendar mycal1 = Calendar.getInstance(new Locale("ja"));
    Calendar mycal2 = (GregorianCalendar)  GregorianCalendar.getInstance(Locale.US);
     System.out.println("mycal1 :" + mycal1.getTime());
     System.out.println("mycal2 :" + mycal2.getTime());
     if(mycal1.equals(mycal2))
    {
        System.out.println("both the instance of calendat are equal");
    }
     else{
         System.out.println("both the instance of calendat are not equal");
          mycal1.clear();
         mycal2.clear();
         System.out.println("mycal1 :" + mycal1.getTime());
     System.out.println("mycal2 :" + mycal2.getTime());
     }
}
}

Test it Now

Output:

mycal1 :Sat Aug 04 23:25:44 PDT 2018
mycal2 :Sat Aug 04 23:25:44 PDT 2018
both the instance of calendat are not equal
mycal1 :Thu Jan 01 00:00:00 PST 1970
mycal2 :Thu Jan 01 00:00:00 PST 1970

Example 5

import java.util.Calendar;
import java.util.GregorianCalendar;
import java.util.TimeZone;
public class JavaCalendargetInstanceExample5  extends GregorianCalendar {
    public static void main(String args[]){
    //get instance method with  time zone  as parameter
    Calendar mycal1 = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
    Calendar mycal2 = (GregorianCalendar)  GregorianCalendar.getInstance(TimeZone.getTimeZone("UTC") );
     System.out.println("mycal1 :" + mycal1.getTime());
     System.out.println("mycal2 :" + mycal2.getTime());
     if(mycal1.equals(mycal2))
    {
        System.out.println("both the instance of calendar are equal");
    }
     else{
         System.out.println("both the instance of calendar are not equal");
          mycal1.clear();
         mycal2.clear();
         System.out.println("mycal1 :" + mycal1.getTime());
     System.out.println("mycal2 :" + mycal2.getTime());
     }
    }
    }

Test it Now

Output:

mycal1 :Sun Aug 05 00:00:08 PDT 2018
mycal2 :Sun Aug 05 00:00:08 PDT 2018
both the instance of calendar are not equal
mycal1 :Wed Dec 31 16:00:00 PST 1969
mycal2 :Wed Dec 31 16:00:00 PST 1969

Example 6

import java.util.Calendar;
import java.util.TimeZone;
public class JavaCalendargetInstanceExample6 {
    public static void main(String args[]){
   //get instance method with  timezone as parameter
       Calendar mycal1 = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
      Calendar mycal2 = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
     mycal2.set(1996, 9 , 23);
     System.out.println("mycal1 :" + mycal1.getTime() );
     System.out.println("mycal2 :" + mycal2.getTime());
     if(mycal1.equals(mycal2))
    {
        System.out.println("both the instance of calendar are equal");
    }
     else{
         System.out.println("both the instance of calendar are not equal");
     }
}
}

Test it Now

Output:

mycal1 :Sun Aug 05 00:01:38 PDT 2018
mycal2 :Wed Oct 23 00:01:38 PDT 1996
both the instance of calendar are not equal

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