Types of Variables and their Usage
Get to know various kinds of variables in Ruby. Moreover, learn how and when to use them.
Definition and Usage
| Naming | Scope | Initialization | |
|---|---|---|---|
| Global Variables | Global variables start with a $ sign. |
Their scope is global which means that they can be accessed from anywhere in a program. | There’s no need to initilize. Uninitialized global variables have the value nil. |
| Local Variables | Local variables begin with a |
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