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  • Uses of class and objects

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    Use of classes and objects in ruby id different to other languages . And tell how to declare and define function in ruby and how to call the functions .
    Example : In below example i am creating a program of simple arithmetic program .

    class Arith
       def addition(a,b)
         puts a+b
       end
      def subtraction(a,b)
        puts a-b
      end
      def multiplication(a,b)
        puts a*b;
      end
       def divide(a,b)
         puts a/b
       end
       def xor(a,b)
         puts a^b;
       end
    // self loop means it is the class method 
       def self.help 
         puts "hepl us"
       end
     end
    Arith.help // no need to create objects to call class methods
    x = Arith.new // need to create objects to call objects methods
    x.addition(4,4) // output : 8
    x.subtraction(3,2) // output : 1  
    x.multiplication(3,2) // output : 6
    x.divide(5,5) // output : 1
    x.xor(1,1) // output : 0
    

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