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Re:Ruby basics (1 viewing) (1) Guest
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TOPIC: Re:Ruby basics
#4361
ShriNi (User)
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Re:Ruby basics 3 Years, 10 Months ago Karma: 0  
Whitespace characters such as spaces and tabs are generally ignored in Ruby code, except when they appear in strings.


Sometimes, however, they are used to interpret ambiguous statements.

Interpretations of this sort produce warnings when the -w option is enabled.
 
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#4362
ShriNi (User)
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Re:Ruby basics 3 Years, 10 Months ago Karma: 0  
Ruby interprets semicolons and newline characters as the ending of a statement.


However, if Ruby encounters operators, such as +, -, or backslash at the end of a line, they indicate the continuation of a statement
 
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#4363
ShriNi (User)
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Re:Ruby basics 3 Years, 10 Months ago Karma: 0  
Identifiers are names of variables, constants, and methods.

Ruby identifiers are case sensitive.

It means that for instance Ram and RAM are two different itendifiers in Ruby.
 
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#4364
ShriNi (User)
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Re:Ruby basics 3 Years, 10 Months ago Karma: 0  
Ruby identifier names may consist of alphanumeric characters and the underscore character ( _ ).
 
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#4365
ShriNi (User)
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Re:Ruby basics 3 Years, 10 Months ago Karma: 0  
A comment hides a line, part of a line, or several lines from the Ruby interpreter.

We can use the hash character (#) at the beginning of a line:
 
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#4366
ShriNi (User)
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Re:Ruby basics 3 Years, 10 Months ago Karma: 0  
Ruby is a perfect Object Oriented Programming Language.

The features of the object-oriented programming language include:

Data Encapsulation
Data Abstraction
Polymorphism
Inheritance
 
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