arrays c programming questions

11.

Which of the following statements is correct about the C#.NET code snippet given below?

int[] intMyArr = {11, 3, 5, 9, 4};

A.     intMyArr is a reference to an object of System.Array Class.
B.     intMyArr is a reference to an object of a class that the compiler derives from System.Array Class.
C.     intMyArr is a reference to an array of integers.
D.     intMyArr is a reference to an object created on the stack.
E.     intMyArr is a reference to the array created on the stack.
Answer & Explanation

Answer: Option B

Explanation:

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12.

Which of the following is the correct way to define and initialise an array of 4 integers?

int[] a = {25, 30, 40, 5};

int[] a;
a = new int[3];
a[0] = 25;
a[1] = 30;
a[2] = 40;
a[3] = 5;

int[] a;
a = new int{25, 30, 40, 5};

int[] a;
a = new int[4]{25, 30, 40, 5};

int[] a;
a = new int[4];
a[0] = 25;
a[1] = 30;
a[2] = 40;
a[3] = 5;

A.     1, 2
B.     3, 4
C.     1, 4, 5
D.     2, 4, 5
E.     5, 5
Answer & Explanation

Answer: Option C

Explanation:

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13.

Which of the following is the correct output of the C#.NET code snippet given below?

int[][] a = new int[2][];
a[0] = new int[4]{6, 1, 4, 3};
a[1] = new int[3]{9, 2, 7};
Console.WriteLine(a[1].GetUpperBound(0));

A.     3    B.     4
C.     7    D.     9
E.     2
Answer & Explanation

Answer: Option E

Explanation:

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14.

Which of the following is the correct way to obtain the number of elements present in the array given below?

int[] intMyArr = {25, 30, 45, 15, 60};

intMyArr.GetMax;
intMyArr.Highest(0);
intMyArr.GetUpperBound(0);
intMyArr.Length;
intMyArr.GetMaxElements(0);

A.     1, 2
B.     3, 4
C.     3, 5
D.     1, 5
E.     4, 5
Answer & Explanation

Answer: Option B

Explanation:

using System;

public class Test
{
public static void Main()
{
int[] intMyArr = { 25, 30, 45, 15, 60, 78, 99 };
Console.WriteLine(intMyArr.Length);
Console.WriteLine(intMyArr.GetUpperBound(0)+1);
}
}
/*
Output :
7
7
*/

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15.

What will be the output of the C#.NET code snippet given below?

namespace IndiabixConsoleApplication
{
class SampleProgram
{
static void Main(string[ ] args)
{
int i, j;
int[ , ] arr = new int[ 2, 2 ];
for(i = 0; i < 2; ++i)
{
for(j = 0; j < 2; ++j)
{
arr[i, j] = i * 17 + i * 17;
Console.Write(arr[ i, j ] + ” “);
}
}
}
}
}

A.     0 0 34 34
B.     0 0 17 17
C.     0 0 0 0
D.     17 17 0 0
E.     34 34 0 0
Answer & Explanation

Answer: Option A

Explanation:

No answer description available for this question.

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