The getValue() method of java.time.DayOfWeek is an in-built function in Java which return the integer value assigned to the 7 days of the week, i.e, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. The int value follows the ISO-8601 standard, from 1 (Monday) to 7 (Sunday).
Method Declaration:
public int getValue()
Syntax:
int val = DayOfWeekObject.getValue()
Parameters: This method does not accepts any parameters.
Return Value: The function returns int value of the day of the week, e.g, 1 for Monday, 2 for Tuesday and so on.
Below program illustrate the above method:
Program 1:
import java.time.*;
import java.time.DayOfWeek;
class DayOfWeekExample {
public static void main(String[] args)
{
LocalDate localDate
= LocalDate.of( 1947 ,
Month.AUGUST, 15 );
DayOfWeek dayOfWeek
= DayOfWeek.from(localDate);
System.out.println( "Day of the Week on"
+ " 15th August 1947 - "
+ dayOfWeek.name());
int val = dayOfWeek.getValue();
System.out.println( "Int Value of "
+ dayOfWeek.name()
+ " - " + val);
}
}
|
Output:
Day of the Week on 15th August 1947 - FRIDAY
Int Value of FRIDAY - 5
Program 2:
import java.time.*;
import java.time.DayOfWeek;
class DayOfWeekExample {
public static void main(String[] args)
{
LocalDate localDate
= LocalDate.of( 2015 ,
Month.JULY, 13 );
DayOfWeek dayOfWeek
= DayOfWeek.from(localDate);
System.out.println( "Day of the Week on"
+ " 13th July 2015 - "
+ dayOfWeek.name());
int val = dayOfWeek.getValue();
System.out.println( "Int Value of "
+ dayOfWeek.name()
+ " - " + val);
}
}
|
Output:
Day of the Week on 13th July 2015 - MONDAY
Int Value of MONDAY - 1
Reference: https://docs.oracle.com/javase/8/docs/api/java/time/DayOfWeek.html#getValue–