Created
March 23, 2017 05:18
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| class Greeding | |
| @@hello =nil | |
| def self.hello=(word) | |
| @@hello = word | |
| end | |
| def hello | |
| @@hello | |
| end | |
| end | |
| Greeding.hello="hello world" | |
| puts Greeding.new.hello # expected "hello world" but acutual "" |
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