7
Opgave
Java Multithreading, niveau, lektie
Prevent inheritance
Prevent anyone from inheriting the Listener class.
7
Opgave
Java Multithreading, niveau, lektie
Preventing overriding
Prevent overriding of the onMouseDown method.
7
Opgave
Java Multithreading, niveau, lektie
Prevent the creation of instances of a class
Prevent the creation of instances of the Listener class.