Can you explain what object behavior means in object-oriented programming?

In object-oriented programming (OOP), an object's behavior is the set of actions and reactions of the object to calls of its methods. It is determined by the methods of the class to which the object belongs and reflects how the object interacts with other objects and changes its state.

Simply put, behavior is what the object can do and how it responds to messages (method calls). For example, an "Automobile" object may have methods like "start engine," "drive," "brake" — these are its behaviors.

Thus, an object's behavior is the implementation of logic that defines how the object functions within the program.