Question

A class can be declared as __________ if it should not be sub classed.

Answer 1

Answer:

final

Class should be declared final if it should not be subclassed

Answer 2

A class can be declared as final if you do not want the class to be sub-classed.

• The final class is declared with the final keyword.
• This final class cannot be extended or inherited.
• The final keyword is used to prevent inheritance so that no subclass can be inherited from it.
• If someone tries to inherit a subclass from the final class the compiler will give an error.