QUESTION 9 means the method has no return value. void static String concatenaton QUESTION 10 Which of the following is true about private access modifier? Variables, methods and constructors which are declared private can be accessed only by the members of the same class Variables, methods and constructors which are declared private can be accessed by any class lying in same package Variables, methods and constructors which are declared private in the superclass can be accessed only by its child class None of the above QUESTION 12 What is an object? o Instance of an object O Instance of a method O Instance of a class o Instance of constructor QUESTION 13 Which constructor has no parameters? Default Constructor Null Constructor Parametric constructor o Copy Constructor QUESTION 14 In oops public, private & protected are O Classes O Access Modifiers O Interfaces Method Signature QUESTION 15 A private member of a class is visible to every where in sub class members to the same package O only members to the same class