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 DayOfWeek import 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); } } |
Day of the Week on 15th August 1947 - FRIDAY Int Value of FRIDAY - 5
Program 2:
// Java Program Demonstrate getValue() // method of DayOfWeek import 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); } } |
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–