Interview Questions

1. In public static void Main(string[] args) Why static modifier is used?

Options:

a. Program Execution starts with method which has static keyword

b. Since static members are allocated memory when the class is loaded

c. Since static methods are automatically loaded into memory when class is loaded by the CLR (that calls Main method).

d. None

Reveal Answer

2. In VB.NET if an entry point Main method is written in class instead of module what is the extra keyword to be used?

Options:

a. Virtual

b. Shared

c. Implements

d. Static

Reveal Answer

3. Can an application have more than one Entry Point method Main?

Options:

a. Yes, an Application can have more than one valid Main, but any one of them has to be mentioned as Startup object.

b. No, Every application should have only one Main

c. Yes, an application can have more than one Main; we can set multiple start up object.

Reveal Answer

4. What is the extension of a Solution file and VB.NET project?

Options:

a. Solution & .VBproj

b. .sln & . VBproject

c. .sln & . vbproj

Reveal Answer

5. What is the difference between Start Debugging and Start Without Debugging?

Options:

a. Complier allows user to manually track flow of the application code when application is executed in StartWithout Debugging mode whereas Startwithdebugging mode directly runs the application.

b. Complier allows user to manually track flow of the application code when running application in Start Debugging mode whereas Start without debugging directly runs the application.

Reveal Answer

6. Why is it not a good practice to use Module in a project?

Options:

a. Every public member of a module is treated as Global member.

b. Every member of a module can be accessed from any part of the application without explicitly using module name

Reveal Answer

7. What is Return value of Main used for?

Options:

a. Return value of Main used by the current application to communicate its state to the parent process

b. Return value of main is used for Communicating its state with other methods of the Application.

Reveal Answer

8. What is the difference between Module and Class?

Options:

a. Instances can be created from a class, but not from a module.

b. Instances can be created for a class and Module. The scope of the members of a class and Module is for lifetime of the object.

Reveal Answer

9. Mostly the console based applications are developed in situations where the application should run as

Options:

a. A top level process

b. As child process

c. Either A or B

d. None

Reveal Answer

10. One project can have multiple modules but only one of many modules with valid main can be treated as ____________ of the application.

Options:

a. Start up or entry point

b. Exit point

c. Termination point

d. None

Reveal Answer

11. Every module in the project can be placed in __________

Options:

a. Same file

b. Different files

c. Same file or Different files

d. Different project

Reveal Answer

12. How many ways can a main declared?

Options:

a. 2

b. 3

c. 4

d. 5

Reveal Answer

13. What are the possible return values for a Main method

Options:

a. void,string,float

b. void ,double,int

c. void, int

d. string

Reveal Answer

14. Which of the following is true about VS.NET

Options:

a. Is an Operating System

b. Is a Rapid Application Development (RAD) tool

c. Is a Programming Language

d. Is an Integrated Development Environment (IDE)

e. Is a frontend

Reveal Answer

15. What are the builtin programming languages supported by VS.NET IDE

Options:

a. PHP

b. C#

c. J ava

d. VB.NET

e. F#

Reveal Answer

16. Which of the following Visual Studio editions are free?

Options:

a. Express

b. Professional

c. Community

d. Enterprise

Reveal Answer

17. Using Visual Studio, We can develop all types of .NET Applications and we don't need to depend on other IDE's

Options:

a. True

b. False

Reveal Answer

18. In Visual Studio Solution, we can have more than one project opened at a time and all of them must be of same programming language.

Options:

a. True

b. False

Reveal Answer

19. Console based applications are ideal application type in which of the following scenarios

Options:

a. GUI Applications

b. Utility Programs

c. To develop Language Compilers

d. Browser Based Applications

Reveal Answer

20. In how many ways can a Main method be declared?

Options:

a. 2

b. 3

c. 4

d. 5

Reveal Answer

21. Which of the following are valid definitions of an applications entry point method?

Options:

a. public static void Main()

b. public static void Main(string args)

c. public int Main(string[] args)

d. public static int Main(int[] args)

e. public static void Main(string[] args)

Reveal Answer

22. Entry point method Main can be declared as private also

Options:

a. Yes

b. No

Reveal Answer

23. Entry point method Main must be only in class by name "Program"

Options:

a. True

b. False

Reveal Answer

24. What is the o/p of following program using System; class Program { public static void main() { Console.WriteLine("Hello World"); } }

Options:

a. Hello World

b. Compilation Error

c. Runtime Exception

d. Nothing

Reveal Answer

25. Main a keyword in C#

Options:

a. True

b. False

Reveal Answer

26. What are the possible return values for a Main method

Options:

a. void, float

b. double, int

c. void, int

d. string, int

Reveal Answer

27. All classes of a project can be placed in __________

Options:

a. only one file

b. must be in different files

c. either in same file or different files

d. different project

Reveal Answer

28. All classes of a project can be placed in __________

Options:

a. only one file

b. must be in different files

c. either in same file or different files

d. different project

Reveal Answer

29. The maximum combined length of the commandline arguments including the spaces between adjacent arguments is

Options:

a. 128 characters

b. 256 characters

c. 67 characters

d. It may vary from one operating system to another

Reveal Answer

Interview Questions and Answer

1. In public static void Main(string[] args) Why static modifier is used?

2. In VB.NET if an entry point Main method is written in class instead of module what is the extra keyword to be used?

3. Can an application have more than one Entry Point method Main?

4. What is the extension of a Solution file and VB.NET project?

5. What is the difference between Start Debugging and Start Without Debugging?

6. Why is it not a good practice to use Module in a project?

7. What is Return value of Main used for?

8. What is the difference between Module and Class?

9. Mostly the console based applications are developed in situations where the application should run as

10. One project can have multiple modules but only one of many modules with valid main can be treated as ____________ of the application.

11. Every module in the project can be placed in __________

12. How many ways can a main declared?

13. What are the possible return values for a Main method

14. Which of the following is true about VS.NET

15. What are the builtin programming languages supported by VS.NET IDE

16. Which of the following Visual Studio editions are free?

17. Using Visual Studio, We can develop all types of .NET Applications and we don't need to depend on other IDE's

18. In Visual Studio Solution, we can have more than one project opened at a time and all of them must be of same programming language.

19. Console based applications are ideal application type in which of the following scenarios

20. In how many ways can a Main method be declared?

21. Which of the following are valid definitions of an applications entry point method?

22. Entry point method Main can be declared as private also

23. Entry point method Main must be only in class by name "Program"

24. What is the o/p of following program using System; class Program { public static void main() { Console.WriteLine("Hello World"); } }

25. Main a keyword in C#

26. What are the possible return values for a Main method

27. All classes of a project can be placed in __________

28. All classes of a project can be placed in __________

29. The maximum combined length of the commandline arguments including the spaces between adjacent arguments is

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