Multiple Choice Question

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Submitted by c-admin on Wed, 05/29/2019 - 05:06

QID:

229

Type:

Multiple Choice Question

Category:

Java Programmer I

Tags:

arrays

Question:

Which of the following correctly declare a variable which can hold an array of 10 integers?

Select 2 options

A. int[ ] iA
B. int[10] iA
C. int iA[ ]
D. Object[ ] iA
E. Object[10] iA

Answer and Explanation (Click to expand)

Answer:

A, C

Explanation:

Note that an array of integers IS an Object :
Object obj = new int[]{ 1, 2, 3 }; // is valid.
But it is not an Array of objects.
Object[] o = new int[10]; // is not valid.
Difference between the placement of square brackets:
int[] i, j; //here i and j are both array of integers.
int i[], j; //here only i is an array of integers. j is just an integer.

Q&A Set:

Set 28

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