public static OptionalDouble of(double value)

// Java program to demonstrate
// OptionalDouble.of(double) method
  
import java.util.OptionalDouble;
  
public class GFG {
  
    public static void main(String[] args)
    {
  
        // Create a OptionalDouble instance
        // using of() method
        OptionalDouble opDouble
            = OptionalDouble.of(45213.246);
  
        // Get value of this OptionalDouble instance
        System.out.println("OptionalDouble: "
                           + opDouble);
    }
}

OptionalDouble: OptionalDouble[45213.246]

// Java program to demonstrate
// OptionalDouble.of(double) method
  
import java.util.OptionalDouble;
  
public class GFG {
  
    public static void main(String[] args)
    {
  
        // Create a OptionalDouble instance
        // using of() method
        OptionalDouble opDouble
            = OptionalDouble.of(21438999);
  
        // Get value of this OptionalDouble instance
        System.out.println("OptionalDouble: "
                           + opDouble);
    }
}

OptionalDouble: OptionalDouble[2.1438999E7]