7
任務
Java Multithreading, 等級 3, 課堂 2
Prevent inheritance
Prevent anyone from inheriting the Listener class.
7
任務
Java Multithreading, 等級 3, 課堂 2
Preventing overriding
Prevent overriding of the onMouseDown method.
7
任務
Java Multithreading, 等級 3, 課堂 2
Prevent the creation of instances of a class
Prevent the creation of instances of the Listener class.