Multiple Choice Question

Quiz Guidelines

 

Submitted by heartin on Sat, 09/05/2015 - 08:44
QID: 
19
Type: 
Multiple Choice Question
Category: 
Java Programmer I
Tags: 
arrays
Validated against: 
java8
Question: 

Which of the following code fragments will successfully initialize a two-dimensional array of chars named cA with a size such that cA[2][3] refers to a valid element?

1. char[][] cA = { { 'a', 'b', 'c' }, { 'a', 'b', 'c' } };

2. char cA[][] = new char[3][];

       for (int i=0; i<cA.length; i++) cA[i] = new char[4];

3.char cA[][] = { new char[ ]{ 'a', 'b', 'c' } , new char[ ]{   'a', 'b', 'c' } };

4char cA[3][2] = new char[][] { { 'a', 'b', 'c' }, { 'a', 'b','c' } };

5.char[][] cA = { "1234", "1234", "1234" };

 

Select 1 option

A. 1, 3

B. 4, 5

C. 2, 3

D. 1, 2, 3

E. 2

Q&A Set: 
Set X