C# Programming - Arrays

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Exercise

General Questions

"I never see what has been done; I only see what remains to be done."

- Marie Curie

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.

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

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

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

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