Java - MCQ
Multiple Choice Questions
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Java MCQ - Methods and Arrays - Set 33
26. What will be the output of the following Java code snippet?
Object[] names = new String[3];
names[0] = new Integer(0);
B). ArrayStoreException
C). Compilation Error
D). Code runs successfully
View Answer
Correct: B
27. Generics does not work with?
A). Set
B). List
C). Tree
D). Array
View Answer
28. How to sort an array?
A). Array.sort()
B). Arrays.sort()
C). Collection.sort()
D). System.sort()
View Answer
29. How to copy contents of array?
A). System.arrayCopy()
B). Array.copy()
C). Arrays.copy()
D). Collection.copy()
Correct: D
28. How to sort an array?
A). Array.sort()
B). Arrays.sort()
C). Collection.sort()
D). System.sort()
View Answer
Correct: B
29. How to copy contents of array?
A). System.arrayCopy()
B). Array.copy()
C). Arrays.copy()
D). Collection.copy()
View Answer
30. Where is an array stored in memory?
A). heap space
B). stack space
C). heap space and stack space
D). first generation memory
View Answer
Correct: A
30. Where is an array stored in memory?
A). heap space
B). stack space
C). heap space and stack space
D). first generation memory
View Answer
Correct: A