class Person attr_reader = :name, :location def initialize(name, location) @name = name @location = location end end persons_array = [Person.new("Shon", "Texas"), Person.new("Michael", "California"), Person.new("Chris, "california") ] I am trying to iterate through the array above and display "Shon is in Texas." I tried persons_array.each { puts "#{@name} is in "#{location}", but no luck.
Three issues with your code:
attr_reader line should not have the equals signeach you have to declare the person variable between pipe signs (|)each block you have to call the name and location accessors for the person instance, you don't have access to the local variables (ex: @name).Here's the full code:
class Person attr_reader :name, :location def initialize(name, location) @name = name @location = location end end persons_array = [ Person.new("Shon", "Texas"), Person.new("Michael", "California"), Person.new("Chris", "california") ] persons_array.each{ |p| puts "#{p.name} is in #{p.location}" } And here's how it works: http://ideone.com/rMgpPd
You have some syntax errors.
It should be attr_reader :name and not attr_reader = :name. In fact, attr_reader is a method that takes in any number of arguments, and you can call it like so: attr_reader(:name, :location) which will still work.
You can take a look at how |variable| works in a Ruby block here: What are those pipe symbols for in Ruby?
class Person attr_reader :name, :location def initialize(name, location) @name = name @location = location end end persons_array = [Person.new("Shon", "Texas"), Person.new("Michael", "California")] persons_array.each do |person| puts "#{person.name} is in #{person.location}" end will print
Shon is in Texas Michael is in California 
[Person.new("Luke", "big trouble")].map { |obj| "#{obj.instance_variable_get(:@name)} is in #{obj.instance_variable_get(:@location)}" } => ["Luke is in big trouble"].