ChronoUnit valueOf() method in Java with Examples

The valueOf() method of ChronoUnit enum is used to return the enum unit of this type with the specified name.

Syntax:

public static ChronoUnit valueOf(String name)

Parameters: This method accepts name which is the name of the enum constant to be returned.

Return value: This method returns the enum constant with the specified name.

Exception:
This method throws the following exception:

• IllegalArgumentException: if this enum type has no constant with the specified name.
• NullPointerException: if the argument is null.

Below programs illustrate the ChronoUnit.valueOf() method:
Program 1:

// Java program to demonstrate
// ChronoUnit.valueOf() method

import java.time.temporal.ChronoUnit;

public class GFG {
    public static void main(String[] args)
    {

        // get ChronoUnit
        ChronoUnit chronoUnit
            = ChronoUnit.valueOf("MILLENNIA");

        // print
        System.out.println("ChronoUnit: "
                           + chronoUnit);
    }
}

Output:

ChronoUnit: Millennia

Program 2:

// Java program to demonstrate
// ChronoUnit.valueOf() method

import java.time.temporal.ChronoUnit;

public class GFG {
    public static void main(String[] args)
    {

        // get ChronoUnit
        ChronoUnit chronoUnit
            = ChronoUnit.valueOf("CENTURIES");

        // print
        System.out.println("ChronoUnit: "
                           + chronoUnit);
    }
}

Output:

ChronoUnit: Centuries

References: https://docs.oracle.com/javase/10/docs/api/java/time/temporal/ChronoUnit.html#valueOf(java.lang.String)