PU - Day 1 Assessment - Anand's batch

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

1. static void Main(string[] args)

2. {

3. int i;

4. for (i = 0; ; )

5. {

6. Console.WriteLine("hello");

7. }

8. Console.ReadLine();

9. }

• The program will print 'hello' indefinitely.
• The program will print 'hello' and then exit.
• The program will print 'hello' once.
• The program will not compile due to an error.

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

1. static void Main(string[] args)

2. {

3. int x = 5;

4. if (x > 3)

5. {

6. Console.WriteLine("x is greater than 3");

7. }

8. Console.ReadLine();

9. }

• The program will print nothing.

• The program will not compile due to an error.

• The program will print 'x is less than or equal to 3'.

• The program will print 'x is greater than 3'.

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

1. static void Main(string[] args)

2. {

3. for (int j = 0; j < 3; j++)

4. {

5. Console.WriteLine(j);

6. }

7. Console.ReadLine();

8. }

• The program will print 0, 1, 2.

• The program will print nothing.

• The program will print 1, 2, 3.

• The program will print 0, 1, 2, 3.

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

1. static void Main(string[] args)

2. {

3. string str = null;

4. Console.WriteLine(str.Length);

5. Console.ReadLine();

6. }

• The program will print 0.

• The program will throw a NullReferenceException.

• The program will print 'null'.

• The program will compile but print nothing.

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

1. static void Main(string[] args)

2. {

3. int I, X;

4. for (I = 1; I <= (9 % 2 + I); I++)

5. {

6. X = (I 3 + I 2) / I;

7. Console.WriteLine(X);

8. }

9. Console.ReadLine();

10. }

• Infinite loop printing 3
• Prints 0 and exits
• Infinite loop printing 5
• Prints 1 to 9 sequentially

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

1. static void Main(string[] args)

2. {

3. int a = 10;

4. if (a == 10)

5. {

6. Console.WriteLine("a is 10");

7. }

8. Console.ReadLine();

9. }

• The program will print 'a is not 10'.

• The program will throw an error.

• The program will print 'a is 10'.

• The program will print nothing.

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

1. static void Main(string[] args)

2. {

3. for (int i = 0; i < 5; i++)

4. {

5. if (i == 3)

6. break;

7. Console.WriteLine(i);

8. }

9. Console.ReadLine();

10. }

• The program will print 0, 1, 2, 3, 4.

• The program will print nothing.

• The program will print 0, 1, 2, 3.

• The program will print 0, 1, 2.

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

1. static void Main(string[] args)

2. {

3. string message = "Hello, World!";

4. Console.WriteLine(message.ToLower());

5. Console.ReadLine();

6. }

• The program will print 'Hello, World!'.

• The program will print 'HELLO, WORLD!'.

• The program will print 'hello, world!'.

• The program will print 'Hello World!'.

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

1. class recursion

2. {

3. int fact(int n)

4. {

5. int result;

6. if (n == 1)

7. return 1;

8. result = fact(n - 1) * n;

9. return result;

10. }

11. }

12. class Program

13. {

14. public static void main(String args[])

15. {

16. recursion obj = new recursion() ;

17. Console.WriteLine(obj.fact(4));

18. }

19. }

• 12
• 16
• 20
• 24

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

1. static void Main(string[] args)

2. {

3. int a = 5;

4. if (a < 10)

5. Console.WriteLine("a is less than 10");

6. Console.ReadLine();

7. }

• The program will print 'a is greater than or equal to 10'.

• The program will throw an error.

• The program will print nothing.

• The program will print 'a is less than 10'.