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:
// Java Program Demonstrate getValue()// method of DayOfWeekimport java.time.*;import java.time.DayOfWeek;  class DayOfWeekExample {    public static void main(String[] args)    {        // Set a local date whose day is found        LocalDate localDate            = LocalDate.of(1947,                           Month.AUGUST, 15);          // Find the day from the local date        DayOfWeek dayOfWeek            = DayOfWeek.from(localDate);          // Printing the day of the week        // and its Int value        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:
// Java Program Demonstrate getValue()// method of DayOfWeekimport java.time.*;import java.time.DayOfWeek;  class DayOfWeekExample {    public static void main(String[] args)    {        // Set a local date whose day is found        LocalDate localDate            = LocalDate.of(2015,                           Month.JULY, 13);          // Find the day from the local date        DayOfWeek dayOfWeek            = DayOfWeek.from(localDate);          // Printing the day of the week        // and its Int value        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–
