[Ruby] While Loop

def repeatHello ()

counter = 1

  while counter <= 5  # 조건. while this condition is true, you keep running the loop once that condition hit false, you stop running it. 
    puts "Hello"      # while 은 조건문 a Boolean true or false.

    counter += 1
  end

end


repeatHello ()

while Loops

- while the conditions of a loops is true, keep running the loops.

- once the condition is false, stop the loops.

def printNums (min, max, step)
  i = min
  while i <= max
    puts i
    
    i += step
  end
end

printNums (0, 10, 2)

puts----------------

0
2
4
6
8
10