C#.net test 1

What will be the output of the following C# code?

1. static void Main(string[] args)

2. {

3. int a, b, c, x;

4. a = 80;

5. b = 15;

6. c = 2;

7. x = a - b / (3 c) ( a + c);

8. Console.WriteLine(x);

9. Console.ReadLine();

10. }

• 78

• -84

• 80

• 98

What will be the output of the following C# code?

m = 5; int y;

y = m++;

y = ++m;

• y = 5, m = 6; y = 7, m = 7

• y = 6, m = 6; y = 7, m = 6

• y = 5, m = 6 ; y = 5, m = 5

• y = 5, m = 6; y = 7, m = 8

What will be the output of the following C# code?

1. bool a = true;

2. bool b = false;

3. a |= b;

4. Console.WriteLine(a);

5. Console.ReadLine();

• 0

• 1

• True

• False

What will be the output of the following C# code?

1. static void Main(string[] args)

2. {

3. int a = 5, b = 10;

4. if (Convert.ToBoolean(Convert.ToInt32(++a)) || Convert.ToBoolean(Convert.ToInt32(++b))) {

5. Console.WriteLine(a + "\n" + b);

6. }

7. else

8. Console.WriteLine(" C# ");

9. }

• 6 11

• 6 16

• 6 12

• 6 10

What will be the output of the following C# code?

1. static void Main(string[] args)

2. {

3. char ch = 'p';

4. switch (ch)

5. {

6. case 'p':

7. Console.WriteLine("coco" + "\t" + Convert.ToInt32(ch));

8. break;

9. default:

10. Console.WriteLine("default");

11. break;

12. }

13. Console.WriteLine("main");

14. }

• coco main

• coco 112

• coco 112 main

• compile time error

What will be the output of the following C# code?

1. static void Main(string[] args)

2. {

3. int i = 0;

4. if (i == 0)

5. {

6. goto label;

7. }

8. label: Console.WriteLine("HI...");

9. Console.ReadLine();

10. }

• Hi…infinite times

• Code runs prints nothing

• Hi Hi

• Hi…

Which of the following is used to define the member of a class externally?

• :

• ::

• #

• none of the mentioned

What does the following C# code imply?

cs abc; abc = new cs();

• Object creation on class csharp
  

• Create an object of type csharp on heap or on stack depending on the size of object

• create a reference c on csharp and an object of type csharp on heap

• create an object of type csharp on stack

Which reference modifier is used to define a reference variable?

• &

• ref

• #

• $

Which of these can be overloaded?

• Constructors

• Methods

• Both Constructors & Methods

• None of the mentioned