Consider the Following Pseudocode That Returns an Optional Value from a Method

question 81

Multiple Choice

Consider the following pseudocode that returns an Optional value from a method:
if there is a result // line 1
return the result // line 2
else
return an empty result // line 3
Assume that the variable result represents an object reference to the result to be returned as Optional.Replace line 3 with the Java code to return an empty result.

• A)return Optional.empty();
• B)return Optional.empty(result);
• C)return result.empty();
• D)return null;

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Definitions:

Electrical Isolation

A technique of preventing direct electrical current flow between two parts of an electrical system, often achieved through the use of optoisolators or transformers, to protect against surges and interference.

Points per Module

The number of inputs or outputs that a single module in a modular system, such as a PLC, can handle or support.

Discrete I/O Modules

Electronic devices used in automation systems to process binary signals from sensors (inputs) and to control actuators (outputs).