Is a thread class abstract or not
Its not an abstract class. Its simply a class that u can either extend or use. Another method would be to implement runnable if u were trying to create a thread. So u can instantiate a Thread since it is not abstract.
Only store referenxe of any object of it's subclass
U cannot cretate omstance of abstract classes u can onl
It is abstract . It use native keyword before its unimplimented method . Native keyword deals with operating system. So it is abstract
An abstract class can't instantiate
If it is abstract then how could it will allow you to create an instance of it.