The
orElse() method of
java.util.Optional class in Java is used to get the value of this Optional instance, if present. If there is no value present in this Optional instance, then this method returns the specified value.
Syntax:
public T orElse(T value)
Parameters: This method accepts
value as a parameter of type T to return if there is no value present in this Optional instance.
Return value: This method returns the
value of this Optional instance, if present. If there is no value present in this Optional instance, then this method returns the specified value.
Below programs illustrate orElse() method:
Program 1:
Output:
Optional: Optional[9455]
Value by orElse(100) method: 9455
Program 2: