Interview question based on skill :
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Total Questions: 20
1. When multiple inheritance is used, which class object should be used in order to access all the available members of parent and derived class ?
Correct Answer is : 1
2. If all the members of all the base classes are private then,
Correct Answer is : FALSE
3. Is it compulsory to have constructor for all the classes involved in multiple inheritance?
Correct Answer is : dynamically generated
4. If a class contains 2 nested class and is being inherited by another class, will there be any multiple inheritance?
Correct Answer is : $
5. Which members can’t be accessed in derived class in multiple inheritance ?
Correct Answer is : DECIMAL
6. Can the derived class be made abstract if multiple inheritance is used ?
Correct Answer is : C
7. Which among the following best describes a nested class?
Correct Answer is : C
8. Which feature of OOP reduces the use of nested classes?
Correct Answer is : Perl
9. How many categories are nested classes divided into?
Correct Answer is : Perl
10. Non-static nested classes have access to _____________ from enclosing class.
Correct Answer is : TRUE
11. Static nested classes doesn’t have access to _________________ from enclosing class.
Correct Answer is : TRUE
12. The nested class can be declared ___________________
Correct Answer is : C
13. Use of nested class ____________ encapsulation.
Correct Answer is : C
14. Which among the following is correct advantage/disadvantage of nested classes?
Correct Answer is : common gateway interface
15. How to access static nested classes?
Correct Answer is : common gateway interface
16. A nested class can have its own static members.
Correct Answer is : TRUE
17. How to create object of the inner class?
Correct Answer is : TRUE
18. What will be the output of the following code? public class Test { public int a=0; class innerClass { public int a=1; void innermethod(int x) { System.out.println(“value of x = ” + x); System.out.println(“value of this.x = ” + this.x); System.out.println(“value of Test.this.x = ” + Test.T=this.x); } } } public static void main( String args[] ) { Test t=new Test(); Test.innerClass im=t.new innerClass(); im.innermethod(55); }
Correct Answer is : Perl
19. Instance of inner class can exist only _______________ enclosing class.
Correct Answer is : Perl
20. If a declaration of a member in inner class has the same name as that in the outer class, then ________________ enclosing scope.
Correct Answer is : Perl, PHP, C
