Using this on an instance variable in a method signifies that, the occasion variable belongs to your implicit parameter, or that it's an occasion variable on the implicit parameter. The implicit parameter is the thing the method is termed from in this circumstance "audi". 以下のサンプルコードでは、thisの位置が間違っているため、コンパイルエラーが発生します。 In Swing its pretty typical https://arthurdbxuq.prublogger.com/31427045/jav-this-no-further-a-mystery