7
Uppgift
Java Multithreading, nivå, lektion
Prevent inheritance
Prevent anyone from inheriting the Listener class.
7
Uppgift
Java Multithreading, nivå, lektion
Preventing overriding
Prevent overriding of the onMouseDown method.
7
Uppgift
Java Multithreading, nivå, lektion
Prevent the creation of instances of a class
Prevent the creation of instances of the Listener class.