Explanation: Referring to occasion variables of the current class is a valid utilization of this keyword in Java. In Swing its quite frequent to put in writing a category that implements ActionListener and include The existing instance (ie 'this') as an ActionListener for elements. 俺をあっと言わせた事の一つは、壊れていたり、変になっている物事もあるのに、検索エンジンやフィルター機能は... https://javfree47812.ka-blogs.com/86047181/rumored-buzz-on-this-jav