Spencer Spence wrote:
> class Calculater
>   def dothis(x,y)
>     puts x+y
>   end
> end
> 
> object = Calculater.new
>   @@number = gets
>   @@number2 = gets
> object.doThis(number,number2)
> 
> i'm getting this error,
> C:\Users\Spencer_2\Documents\NetBeansProjects\RubyApplication1\lib\new_main.rb:12:
> undefined local variable or method `number' for main:Object (NameError)
> 
> I'm used to programming in java so I assumed that the doThis(x,y)
> parameters are just temporary variables in ruby. Am I wrong?

The variable number is different than the variable @@number.  number is 
a local variable, whereas @@number is a class variable.  So, number (and 
number2) are undefined when you are calling the doThis method.

How about just doing number = gets and number2 = gets, without the @@.

-Alex
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