OptionalInt empty() method in Java with examples

OptionalInt help us to create an object which may or may not contain a int value. The empty() method returns an empty OptionalInt instance. No value is present for this OptionalInt. So we can say that this method help us to create empty OptionalInt object.

Syntax:

public static OptionalInt empty()

Parameters: This method accepts nothing.



Return value: This method returns an empty OptionalInt.

Below programs illustrate empty() method:
Program 1:

filter_none

edit
close

play_arrow

link
brightness_4
code

// Java program to demonstrate
// OptionalInt.empty() method
  
import java.util.OptionalInt;
  
public class GFG {
  
    public static void main(String[] args)
    {
  
        // create a OptionalInt
        // using emppty method
        OptionalInt opInt
            = OptionalInt.empty();
  
        // Print the created instance
        System.out.println("OptionalInt: "
                           + opInt.toString());
    }
}

chevron_right


Output:

OptionalInt: OptionalInt.empty

References: https://docs.oracle.com/javase/10/docs/api/java/util/OptionalInt.html#empty()



My Personal Notes arrow_drop_up

Recommended Posts: