java calendar class and the methods with an example

1. JAVA CALENDAR
-:Presented by:-
Yallappa Gadadi

2. JAVA CALENDAR CLASS
 Java Calendar class is an abstract class that provides
methods for converting date between a specific instant
in time and a set of calendar fields such as MONTH,
YEAR, HOUR, etc.
 It inherits Object class and implements the Comparable
interface.

3. JAVA CALENDAR CLASS DECLARATION
 Let's see the declaration of java.util.Calendar class.
public abstract class Calendar extends Object
implements Serializable, Cloneable, Comparable<Calendar>

4. METHODS OF JAVA CALENDAR
Method Description
int get(int field) It is used to return the value of
the given calendar field.
static Calendar
getInstance()
It is used to get a calendar
using the default time zone and
locale.
abstract int
getMaximum(int field)
It is used to return the maximum
value for the given calendar
field of this Calendar instance.
abstract int
getMinimum(int field)
It is used to return the minimum
value for the given calendar
field of this Calendar instance.

5. JAVA CALENDAR CLASS EXAMPLE
import java.util.Calendar;
public class CalendarExample1
{
public static void main(String[] args)
{
Calendar calendar = Calendar.getInstance();
System.out.println("The current date is : " + calendar.getTime());
}
}

6. JAVA CALENDAR CLASS EXAMPLE: GET()
import java.util.*;
public class CalendarExample2{
public static void main(String[] args) {
Calendar calendar = Calendar.getInstance();
System.out.println("At present Calendar's Year: " +
calendar.get(Calendar.YEAR));
System.out.println("At present Calendar's Day: " +
calendar.get(Calendar.DATE));
}
}

7. JAVA CALENDAR CLASS EXAMPLE: GETINSTANCE()
import java.util.*;
public class CalendarExample3
{
public static void main(String[] args)
{
Calendar calendar = Calendar.getInstance();
System.out.print("At present Date And Time Is: " +
calendar.getTime());
}
}

8. JAVA CALENDAR CLASS EXAMPLE: GETMAXIMUM()
import java.util.*;
public class CalendarExample4 {
public static void main(String[] args) {
Calendar calendar = Calendar.getInstance();
int maximum = calendar.getMaximum(Calendar.DAY_OF_WEEK)
;
System.out.println("Maximum number of days in week: " + max
imum);
maximum = calendar.getMaximum(Calendar.WEEK_OF_YEAR);
System.out.println("Maximum number of weeks in year: " + ma
ximum);
}
}

9. JAVA CALENDAR CLASS EXAMPLE: GETMINIMUM()
import java.util.*;
public class CalendarExample5 {
public static void main(String[] args) {
Calendar cal = Calendar.getInstance();
int maximum = cal.getMinimum(Calendar.DAY_OF_WEEK);
System.out.println("Minimum number of days in week: " + maxi
mum);
maximum = cal.getMinimum(Calendar.WEEK_OF_YEAR);
System.out.println("Minimum number of weeks in year: " + maxi
mum);
}
}