C# Programming - Arrays

Exercise :: Arrays - General Questions

  • Arrays - General 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: Option B

Explanation:

No answer description available for this question. Let us discuss.

12. 

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

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

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

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: Option E

Explanation:

No answer description available for this question. Let us discuss.

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};
  1. intMyArr.GetMax;
  2. intMyArr.Highest(0);
  3. intMyArr.GetUpperBound(0);
  4. intMyArr.Length;
  5. intMyArr.GetMaxElements(0);

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

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 
*/

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: Option A

Explanation:

No answer description available for this question. Let us discuss.

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