The valueOf() method of java.time.DayOfWeek is an in-built function in Java which takes a string and returns an instance of DayOfWeek corresponding to the string. The string must match exactly to the identifier used to declare a day-of-week constant in this type. Extraneous white space characters are not permitted.
Method Declaration:
public static DayOfWeek valueOf(String name)
Syntax:
DayOfWeek dayOfWeekObject = DayOfWeek.valueOf(String name)
Parameters: This method takes name as parameter where:
Return Value: The function returns an instance of DayOfWeek corresponding to the name string
Below programs illustrate the above method:
Program 1:
// Java Program Demonstrate valueOf() // method of DayOfWeek import java.time.*;
class DayOfWeekExample {
public static void main(String[] args)
{
// Initializing a DayOfWeek instance
DayOfWeek dayOfWeek
= DayOfWeek.valueOf( "MONDAY" );
// Printing the day-of-week
System.out.println(dayOfWeek.name());
}
} |
MONDAY
Program 2:
// Java Program Demonstrate valueOf() // method of DayOfWeek import java.time.*;
class DayOfWeekExample {
public static void main(String[] args)
{
// Initializing a DayOfWeek instance
DayOfWeek dayOfWeek
= DayOfWeek.valueOf( "SATURDAY" );
// Printing the day-of-week
System.out.println(dayOfWeek.name());
}
} |
SATURDAY
Reference: https://docs.oracle.com/javase/8/docs/api/java/time/DayOfWeek.html#valueOf-java.lang.String-