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C# Programming :: Arrays - C#

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

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

  2. 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.

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  3. 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;

  4. A.

    1, 2

    B.

    3, 4

    C.

    1, 4, 5

    D.

    2, 4, 5

    E.

    2, 5

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  5. 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));

     

  6. A.

    3

    B.

    4

    C.

    7

    D.

    9

    E.

    2

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  7. 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);

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

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

    namespace FreshergateConsoleApplication 
    {   
        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 ] + "");                 
                    }          
                }        
            }    
         }
     }

     

     

  10. 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

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