Everything about this jav
The . is simply the ordinary member entry, it really works in the exact same way as in all other circumstances, very little Specific is happening in the event of this.サブクラスはスーパークラスのメンバ変数やメソッドを継承しています。サブクラスにスーパークラスと同じ名前の変数やメソッドがあ