Answer :
Methods that operate on an object's fields are called instance methods. Option A.
Methods in object-oriented programming are procedures associated with messages and objects. Objects consist of state data and behavior. These form an interface that specifies how one of the various consumers can use the object. Every class must have a method with the special name init. This initialization method is called automatically when a new instance of Point is created.
Programmers can set desired attributes within a new instance by giving initial states/values. A field with the static modifier in its declaration is called a static field or class variable. It is associated with classes, not objects. A field is a variable of any type declared directly in a class or struct. A field is a member of the containing type. A class or struct can have instance fields static fields or both.
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