The following code is copied from the site - http://www.w3cschool.cc/ruby/ruby-object-oriented.html. Note, it is at the bottom. However, I got one error message during runing it.
成都创新互联专注于安顺企业网站建设,自适应网站建设,成都商城网站开发。安顺网站建设公司,为安顺等地区提供建站服务。全流程按需定制，专业设计，全程项目跟踪，成都创新互联专业和态度为您提供的服务
#!/usr/bin/ruby -w
class Box
# 输出类信息
puts "Type of self = #{self.type}"
puts "Name of self = #{self.name}"
end
The output error message:
D:\Ruby\bin\ruby.exe -e $stdout.sync=true;$stderr.sync=true;load($0=ARGV.shift) D:/Ruby/RubyStudyPro/box.rb
D:/Ruby/RubyStudyPro/box.rb:4:in `
from D:/Ruby/RubyStudyPro/box.rb:2:in `
from -e:1:in `load'
from -e:1:in `
Process finished with exit code 1
Who could kindly give me some tips?