Integer « Number « Ruby

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Ruby » Number » Integer   1.  Integer and Float 2.  An integer with the kind_of? method (this method is from the Object class). 3.  Integer is an instance of the Fixnum class, which inherits the Integer class. 4.  Change x from an integer to a floating point with the to_f method from the Fixnum class 5.  difference between 'puts x / y' and 'puts x.to_f / y.to_f' 6.  to integers, using to_i: 7.  puts 120.chr 8.  Basic Math Operations for integer 9.  List the modules which Integer class is from 10.  General Predicates 11.  Integer predicates 12.  Comparison Methods

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