Asp validating parser sax
Interpretations of this sort produce warnings when the -w option is enabled.
Ruby interprets semicolons and newline characters as the ending of a statement.
Just type irb at your command prompt and an Interactive Ruby Session will start as given below − Do not worry about what we did here.
You will learn all these steps in subsequent chapters. Live Demo You have seen a simple Ruby program, now let us see a few basic concepts related to Ruby Syntax.
For example, an airplane has three wheels, horsepower of 1,000, fuel as the type of tank, and a capacity of 100 liters.
In the same way, a car has four wheels, horsepower of 200, gas as the type of tank, and a capacity of 25 liters.
Ruby identifier names may consist of alphanumeric characters and the underscore character ( _ ).
An object-oriented program involves classes and objects.To implement object-oriented programming by using Ruby, you need to first learn how to create objects and classes in Ruby.A class in Ruby always starts with the keyword class followed by the name of the class. The class Customer can be displayed as − Objects are instances of the class.Ruby is a pure object-oriented programming language.It was created in 1993 by Yukihiro Matsumoto of Japan.