Ruby Object Oriented Programming Example

Programming languages have procedural programming functional programming and object oriented programming paradigms.

Ruby object oriented programming example.

Object oriented programming oop is a programming paradigm that uses objects and their interactions to design applications and computer programs. We now have an object. Every value in ruby is an object even the most primitive things. Class example def initialize end def prints puts hello fella.

How are you end end ob1 example. Name def initialize name name name end end in this example ruby is able to both read and write the name instance variable since it was passed to attr reader and attr writer as a symbol. Sometimes we might need certain features of a class to be replicated into another class. Each object of the class would share these attributes.

But since these are built into ruby we get special syntax to create them. For your own classes you have to use new to create objects. Even a class itself is an object that is an instance of the class class. Object oriented programming part ii.

Ruby is an object oriented language with some functional and procedural features. Inheritance is one of the solid fundamental characteristics of object oriented programming. Array hash string. Ruby is a pure object oriented language and everything appears to ruby as an object.

This chapter will take you through all the major functionalities related to. To comment we use the symbol. In this tutorial you ll learn the fundamental concepts of oop for ruby an object oriented programming language wherein everything is an object. A class is like the blue print of an object and describes the attributes and behavior of an object.

No curly braces are used and the end keyword is used to mark the end of a flow control block. Instead of creating that attribute again we can inherit the attribute from the other class. Though the value of the attribute may vary among different objects. Strings numbers and even true and false.

Class car def initialize name color name name color color end. Array hash string. The way objects are created in ruby is by calling a new method on a class as in the example below. Ruby file names should be in snake case and reflect the class name.

Array hash string. These features are part of the class and each instance of the class i e. The attributes of a flower could be the color fragrance or even whether it has thorns. Let us understand object creation with the help of an example.

In the above code you can observe that we are creating two objects of class example. Prints ob2 example. Object oriented programming in ruby set 1. Thus in the below example the file name is good dog rb and the class name is gooddog.