Arizona State University (ASU) CSE240 Introduction to Programming Languages Midterm Practice Exam

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How is a method typically called in object-oriented programming?

Through a variable name

Using the class name alone

By referring to the object it is associated with

In object-oriented programming, methods are typically associated with objects, and the most common way to call a method is by referring to the object it belongs to. This reflects the principles of encapsulation and the relationship between objects and their behaviors, which are defined by their methods.

When an object is created from a class, it can access the methods defined within that class using the syntax that includes the object name followed by a dot and the method name. For example, if you have an object called `car` and a method `drive()` defined in the `Car` class, the method can be called using `car.drive()`. This approach emphasizes the object-oriented paradigm, where methods operate on the data contained within the object.

Other options, while they might seem plausible in certain contexts, do not accurately represent the standard practice in object-oriented programming. For instance, calling a method using the class name directly typically refers to static methods, which are not associated with any specific instance of the class.

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Directly invoking it without an object

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