コンストラクタ内でthisを使って他のコンストラクタを呼び出す場合、最初の行でなければなりません。 Joachim SauerJoachim Sauer 308k5959 gold badges565565 silver badges620620 bronze badges seven This isn't really working. I get an error expressing that a key technique is needed. If i add the leading approach, then I really need to contact from there. In Swing its rather common to put in wri... https://jav-this91468.blogchaat.com/32155820/rumored-buzz-on-this-jav