Запрет наследования и переопределения методов
🔒 Sign in to use this
Sometimes you want to lock down a class or a method — prevent subclassing or prevent a method from being overridden. Java provides the final keyword for this purpose, as well as sealed classes (Java 17+) for more nuanced control.
final Class — Cannot Be Extended
Content is available with subscription.
Get full access to all courses on the platform for one year with a single payment.
▼
▼
Unlike other platforms that charge per course, here you get everything for one price, and after one year of use there will be no automatic charge for the following year.
🔒 Sign in to use this