OptionalLong isPresent() method in Java with examples
OptionalLong help us to create an object which may or may not contain a Long value. The isPresent() method help us to get the answer that a value is present in OptionalLong object or not. If a long value is present in this object, this method returns true, otherwise false.
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public boolean isPresent()
Parameters: This method accepts nothing.
Return value: This method returns true if a value is present, otherwise false
Below programs illustrate isPresent() method:
OptionalLong has a value= true