メソッドの引数とインスタンス変数の名前が同じ場合、thisを使わないと意図しない動作を引き起こす可能性があります。 Personally, I seek to always utilize it to produce the scope from the variable/technique specific. For example you could have a static process or an instance technique. When reading the code it could be beneficial to find out which happens to be which. In Java, this is a refe... https://connervscrk.blogolize.com/the-definitive-guide-to-jav-free-71312784