今回はこれらの方法を覚えるために、thisとは何か？意味や使い方を詳しく見ていきましょう！ Joachim SauerJoachim Sauer 308k5959 gold badges565565 silver badges620620 bronze badges 7 This isn't really working. I get an error declaring that a key approach is needed. If i include the principle method, then I really have to connect with from there. In Java, this is usually a reference variable https://this-jav03692.blog-gold.com/40115102/5-simple-techniques-for-jav-this