4. Which inheritance in java programming is not supported a. Multiple inheritance using classes b. Multiple inheritance using interfaces c. Multilevel inheritance d. Single inheritance 5. What is subclass in java? a. A subclass is a class that extends another class b.A subclass is a class declared inside a class c.Both above. d. None of the above. 6. Order of execution of constructors in Java Inheritance is a. Base to derived class b. Derived to base class c. Random order d. None 7.Which class cannot be sub classed? a. final class b. object class c. abstract class d. child class 8. Which cannot be inherited from a base class in Java programming a. Constructor b. final method c. Both d. None