Inheritance :
|
|
|
Also See: Link |
All primitive data must be define and instantiated
|
|
Interface can't implement another interface
|
|
One class can't implement another class, but an abstract
class can create an abstract of the method that can be overridden in an
extended class. In the above illustration, since the interface Note_1 is extended by another interface Note, when the Note_1 interface is extended in an abstract class, this abstract class will inherit the member functions and variables of Note_1 interface along with Note interface. |
|
However, the class that will inherit an abstract class all the members should be implemented | |
Now we can compile the class
|
|
It is also allowed | |