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#reversing a string without using reverse method. June 20, 2012
#wrote this into a string method. It's in the same file.
# the variables. a forward string
#the backward empty string.
#the holding array
forwards = "hello this is a string. In a moment it will be reversed without using the 'reverse' method."
backwards = ""
holding_array = []
#put the string in the array
forwards.each_char {|letter| holding_array.push(letter)}
#it's first in first out. We push the letters one by one into an array. then we pop them back out into the backwards string
holding_array.length.times {|letters| backwards << holding_array.pop}
puts forwards
puts backwards
puts "this is the same string using the reverse method----->" + forwards.reverse