[Learn Ruby in 3 steps|WINGS Project Stilts,Yoshihiro Yamada|Book|mail order| Amazon] (https://www.amazon.co.jp/3%E3%82%B9%E3%83%86%E3%83%83%E3%83%97%E3%81%A7%E3%81%97%E3%81%A3%E3%81%8B%E3%82%8A%E5%AD%A6%E3%81%B6-Ruby%E5%85%A5%E9%96%80-WINGS%E3%83%97%E3%83%AD%E3%82%B8%E3%82%A7%E3%82%AF%E3%83%88-%E7%AB%B9%E9%A6%AC-%E5%8A%9B/dp/4774195022 "") I wanted you to write more about while. break, exit, etc.
[Ruby Reverse Handbook|Rubikichi|Book|mail order| Amazon] (https://www.amazon.co.jp/Ruby%E9%80%86%E5%BC%95%E3%81%8D%E3%83%8F%E3%83%B3%E3%83%89%E3%83%96%E3%83%83%E3%82%AF-%E3%82%8B%E3%81%B3%E3%81%8D%E3%81%A1/dp/4863540221 "")
I wonder how it differs from the second edition ...
[Introduction to new and clear Java(Clear series) |Nobuhiro Shibata|Book|mail order| Amazon] (https://www.amazon.co.jp/%E6%96%B0%E3%83%BB%E6%98%8E%E8%A7%A3Java%E5%85%A5%E9%96%80-%E6%98%8E%E8%A7%A3%E3%82%B7%E3%83%AA%E3%83%BC%E3%82%BA-%E6%9F%B4%E7%94%B0-%E6%9C%9B%E6%B4%8B/dp/4797387602) During copying
Java
[Head First Java 2nd Edition-The basics of Java that you can learn with your head and body| Kathy Sierra, Bert Bates,Akio Shimada,Hiroyuki Kobe,Takasaka Ichijo,Natsume Dai|Book|mail order| Amazon] (https://www.amazon.co.jp/Head-First-Java-%E7%AC%AC2%E7%89%88-%E2%80%95%E9%A0%AD%E3%81%A8%E3%81%8B%E3%82%89%E3%81%A0%E3%81%A7%E8%A6%9A%E3%81%88%E3%82%8BJava%E3%81%AE%E5%9F%BA%E6%9C%AC/dp/4873112796/ref=sr_1_1?s=books&ie=UTF8&qid=1551816010&sr=1-1&keywords=head+first+java "") I threw it away when I moved
Also, if you compare a variable to a cup, "Please double mocha. Int size" is a saying. Rather than just being told that "variables have types," if you explain that variables have different types, like choosing and ordering cup sizes at a coffee shop, you can link them to your daily thinking. I think it will be closer to "convincing".
I still remember the analogy of a coffee shop.
[Fun Ruby 5th Edition|Masayoshi Takahashi,Yuzo Goto,Yukihiro Matsumoto|Book|mail order| Amazon] (https://www.amazon.co.jp/%E3%81%9F%E3%81%AE%E3%81%97%E3%81%84Ruby-%E7%AC%AC5%E7%89%88-%E9%AB%98%E6%A9%8B-%E5%BE%81%E7%BE%A9/dp/4797386290/ref=sr_1_1?s=books&ie=UTF8&qid=1551816925&sr=1-1&keywords=%E3%81%9F%E3%81%AE%E3%81%97%E3%81%84ruby "") First of all, I recommended this. I have to buy the 6th edition ...
[Amazon.co.jp: From scratch ruby super introduction: book] (https://www.amazon.co.jp/s/ref=nb_sb_ss_ime_i_2_8?__mk_ja_JP=%E3%82%AB%E3%82%BF%E3%82%AB%E3%83%8A&url=search-alias%3Dstripbooks&field-keywords=%E3%82%BC%E3%83%AD%E3%81%8B%E3%82%89%E3%82%8F%E3%81%8B%E3%82%8B+ruby+%E8%B6%85%E5%85%A5%E9%96%80&sprefix=%E3%82%BC%E3%83%AD%E3%81%8B%E3%82%89%E3%82%8F%E3%81%8B%E3%82%8B%E3%80%80%2Cstripbooks%2C256&crid=1U9WWT9J1VZGL "") It seems to be easy to do because it was written from the beginning.
After copying sutras [Revised 2nd Edition Perfect Ruby|Ruby Supporters|Book|mail order| Amazon] (https://www.amazon.co.jp/%E6%94%B9%E8%A8%822%E7%89%88-%E3%83%91%E3%83%BC%E3%83%95%E3%82%A7%E3%82%AF%E3%83%88Ruby-Ruby%E3%82%B5%E3%83%9D%E3%83%BC%E3%82%BF%E3%83%BC%E3%82%BA/dp/4774189774/ref=pd_lpo_sbs_14_t_0?_encoding=UTF8&psc=1&refRID=PDJJEAJR37XYC7BBZ7XZ "") I wonder if it's recommended ...