JAVAJEE.COM
Engineering Full Stack Apps with Java and JavaScript
Multiple Choice Question
Normal Login
Quiz Guidelines
- Try to answer first by your own and then click Read more to see if answer is present/verify.
- Click here to see set-x questions. Replace x with other available set numbers. Refer here for set guide.
Submitted by c-admin on Fri, 05/31/2019 - 06:38
QID:
397
Type:
Category:
Question:
Consider :
class A {}
class B extends A {}
class C extends B {}
Which of these boolean expressions correctly identifies when an object 'o' actually refers to an object of class B and not of C?
Select 2 options
A. (o instanceof B) && (!(o instanceof A))
B. !((o instanceof A) || (o instanceof B))
C. (o instanceof B) && (!(o instanceof C)
D. ! ( !(o instanceof B) || (o instanceof C))
E. (o instanceof B) && !((o instanceof A) || (o instanceof C))
Q&A Set:
Search the Web
Custom Search
Searches whole web. Use the search in the right sidebar to search only within javajee.com!!!