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。 The one motive to prepend this in front of a method invocation is to indicate that you are calling a non-static method. I can't consider some other legitimate rationale to do this (right me I'm wrong). I do not advocate this Conference mainly because it will not include Subst... https://rowanvsnib.activablog.com/31413495/a-simple-key-for-thisav-unveiled