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OptionalInt empty() method in Java with examples

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  • Last Updated : 22 Sep, 2021
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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:  

Java




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

Output: 

OptionalInt: OptionalInt.empty

 

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

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