learn_ruby_ch3_pt1

Question 1

If statement equals (x = 1)

Answer 1

x = 1
if x == 1 then
print “true”
end

Question 2

Single line if with puts (x = 256)

Answer 2

x = 256

puts “x equals 256” if x == 256

Question 3

If with “and” logical operator

ruby = "nifty"
prog = "fun"

Answer 3

ruby = "nifty"
prog = "fun"

if ruby == “nifty” && prog == “fun”
puts “Keep programming!”
end

or replace && with “and”
replace || with “or”

Question 4

If with “not” logical operator (queue)

Answer 4

queue = false
if !queue then print “The queue is empty.” end

or

if not queue then print “The queue is empty.” end

Question 5

If with an else (queue)

Answer 5

if queue
  pr = true
else
  pr = false
end

or
if queue then

Question 6

An else if combo using symbols

lang = :es

Answer 6

lang = :es
if lang == :en
  print "dog"
elsif lang == :es
  print "perro"
elsif lang == :fr
  print "chien"
else
  puts "No language set"
end