Java MCQ Questions with Answers
Very Important Questions for Diploma Students
1. Which of the following is not OOPS concept in java
Answer : D
2. Which of these keywords is used to make a class
Answer : A
3. What is the return type of a method that does not return any value
Answer : C
4. Method having same name as its class name is
Answer : C
5. Which method can be defined only once in a program
Answer : A
Java MCQ
6. Size of an integer can be
Answer : D
7. Which of the following assignment operator doesn’t exist in java
Answer : C
8. Which loop is always executed once
Answer : C
9. Which of the following is not valid flow control statement
Answer : D
10. A top level class may have which one of the following access modifiers
Answer : D
Java MCQ
11. A subclass in also called as
Answer : C
12. Which of the following is not a wrapper class
Answer : A
13. A default constructor has
Answer : A
14. Math class belongs to the package
Answer : B
15. A package is a collection of
Answer : D
Java MCQ
16. Primary purpose of inheritance is
Answer : A
17. Which method/methods cannot be overridden
Answer : D
18. Which of the following does not deal with exceptions
Answer : C
19. What is the default priority of a thread in java
Answer : B
Explanation : Default priority of a thread is 5 (NORM_PRIORITY).
20. The class at the top of the AWT hierarchy is
Answer : A
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