How to resolve the algorithm Classes step by step in the Ring programming language

Published on 12 May 2024 09:40 PM

How to resolve the algorithm Classes step by step in the Ring programming language

Table of Contents

Problem Statement

In object-oriented programming class is a set (a transitive closure) of types bound by the relation of inheritance. It is said that all types derived from some base type T and the type T itself form a class T. The first type T from the class T sometimes is called the root type of the class. A class of types itself, as a type, has the values and operations of its own. The operations of are usually called methods of the root type. Both operations and values are called polymorphic. A polymorphic operation (method) selects an implementation depending on the actual specific type of the polymorphic argument. The action of choice the type-specific implementation of a polymorphic operation is called dispatch. Correspondingly, polymorphic operations are often called dispatching or virtual. Operations with multiple arguments and/or the results of the class are called multi-methods. A further generalization of is the operation with arguments and/or results from different classes.

A polymorphic value has a type tag indicating its specific type from the class and the corresponding specific value of that type. This type is sometimes called the most specific type of a [polymorphic] value. The type tag of the value is used in order to resolve the dispatch. The set of polymorphic values of a class is a transitive closure of the sets of values of all types from that class. In many OO languages the type of the class of T and T itself are considered equivalent. In some languages they are distinct (like in Ada). When class T and T are equivalent, there is no way to distinguish polymorphic and specific values.

Create a basic class with a method, a constructor, an instance variable and how to instantiate it.

Let's start with the solution:

Step by Step solution about How to resolve the algorithm Classes step by step in the Ring programming language

Source code in the ring programming language

New point { x=10  y=20  z=30  print() }
Class Point x y z func print see x + nl + y + nl + z + nl

New point                       # create new object using the point class
{                               # access the new object attributes and methods
        x = 10                  # set the x attribute to 10
        y = 20                  # set the y attribute to 20
        z = 30                  # set the z attribute to 30
        print()                 # call the print method
}                               # end of object access


Class Point                     # define the Point class
        x y z                   # the class contains three attributes x, y & z
        func print              # define the print method
                see x + nl +    # print the x attribute
                    y + nl +    # print the y attribute
                    z + nl      # print the z attribute

  

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