if else in rails code example

Example 1: ruby else if

x = 1
if x > 2
   puts "x is greater than 2"
elsif x <= 2 and x!=0
   puts "x is 1"
else
   puts "I can't guess the number"
end

Example 2: if else ruby

if condition
  expression
else
  expression

Example 3: ruby if else

if true
  "if statement"
elsif false
  "else if, optional"
else
  "else, also optional"
end