Is a number integer : Numeric class « Number « Ruby






  1. Ruby
  2. Number
  3. Numeric class

Is a number integer


num = 4

if num.integer?
  puts "Invited guests: " + num.to_s
else
  puts "Only whole persons can come to this party."
end








Related examples in the same category

1.The integer? method comes from the Numeric class
2.More Math Methods
3.Get the ceiling or floor of a number (from Float, Integer, or Numeric):
4.Or round a number up or down (Float, Integer, or Numeric):
5.Get the next integer with next (or its alias succ):
6.Find out the modules Numeric class resides