"Bilaabo has brought Amigo some tasks:"
7
Task
Java Multithreading, level 3, lesson 2
Prevent inheritance
Prevent anyone from inheriting the Listener class.
7
Task
Java Multithreading, level 3, lesson 2
Preventing overriding
Prevent overriding of the onMouseDown method.
7
Task
Java Multithreading, level 3, lesson 2
Prevent the creation of instances of a class
Prevent the creation of instances of the Listener class.