When used in a class declaration, the final modifier prevents other classes from being declared that extend the class. A final class is a "leaf" class in the inheritance class hierarchy.
Example :
// This declares a final class
final class MyFinalClass
{
// statements
}
// Compilation error: cannot inherit from final MyFinalClass
class MySubClass extends MyFinalClass
{
// statements
}
//Final Class in Java final class finalClassDemo { public void display() { System.out.println("I am Display"); } } public class finalClasss{ public static void main(String[] args) { finalClassDemo o =new finalClassDemo(); o.display(); } }
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