The of() method of java.time.DayOfWeek is an in-built function in Java which returns an instance of DayOfWeek from an int value. The int value ranges between 1 (Monday) to 7 (Sunday).
Method Declaration:
public static DayOfWeek of(int dayOfWeek)
Syntax:
DayOfWeek dayOfWeekObject = DayOfWeek.of(int dayOfWeek)
Parameters: This method takes dayOfWeek as parameter where:
- dayOfWeek – is the int value from 1 (Monday) to 7 (Sunday).
- dayOfWeekObject – is an instance of the DayOfWeek object.
Return Value: The function returns an instance of DayOfWeek object.
Below programs illustrate the above method:
Program 1:
// Java Program Demonstrate of()// method of DayOfWeekimport java.time.DayOfWeek; class DayOfWeekExample { public static void main(String[] args) { // Getting an instance of DayOfWeek from int value DayOfWeek dayOfWeek = DayOfWeek.of(4); // Printing the day of the week // and its Int value System.out.println("Day of the Week - " + dayOfWeek.name()); System.out.println("Int Value of " + dayOfWeek.name() + " - " + dayOfWeek.getValue()); }} |
Output:
Day of the Week - THURSDAY Int Value of THURSDAY - 4
Program 2:
// Java Program Demonstrate of()// method of DayOfWeekimport java.time.DayOfWeek; class DayOfWeekExample { public static void main(String[] args) { // Getting an instance of DayOfWeek from int value DayOfWeek dayOfWeek = DayOfWeek.of(7); // Printing the day of the week // and its Int value System.out.println("Day of the Week - " + dayOfWeek.name()); System.out.println("Int Value of " + dayOfWeek.name() + " - " + dayOfWeek.getValue()); }} |
Output:
Day of the Week - SUNDAY Int Value of SUNDAY - 7
Reference: https://docs.oracle.com/javase/8/docs/api/java/time/DayOfWeek.html#of-int-
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