public static OptionalLong empty()

// Java program to demonstrate
// OptionalLong.empty() method
  
import java.util.OptionalLong;
  
public class GFG {
  
    public static void main(String[] args)
    {
  
        // create a OptionalLong
        // using empty method
        OptionalLong opLong
            = OptionalLong.empty();
  
        // prLong OptionalLong
        System.out.println("OptionalLong: "
                           + opLong.toString());
    }
}

OptionalLong: OptionalLong.empty