OptionalInt help us to create an object which may or may not contain a Int value. The
isPresent() method help us to get the answer that Int value is present in OptionalInt object or not. If an int value is present in this object, this method returns true, otherwise false.
Syntax:
public boolean isPresent()
Parameters: This method accepts nothing.
Return value: This method returns true if an int value is present, otherwise false
Below programs illustrate isPresent() method:
Program 1:
Output:
OptionalInt has a value= true
Program 2:
