OptionalInt orElseThrow() method in Java with examples

OptionalInt help us to create an object which may or may not contain a Int value. The orElseThrow() method help us to get the int value and if int value is not present then this method will throw NoSuchElementException. Syntax:

public Int orElseThrow()

Parameters: This method accepts nothing. Return value: This method returns the Int value described by this OptionalInt. Exception: This method throws NoSuchElementException if no value is present Below programs illustrate orElseThrow() method: Program 1: 

Output:

int Value extracted using orElseThrow() = 12345

Program 2: 

Output:

Exception thrown : java.util.NoSuchElementException: No value present

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