1. Which of the following type of class allows only one object of it to be created?

• A.Virtual class
• B.Abstract class
• C.Singleton class
• D.Friend class

Answer: Option C

2. Which of the following is not a type of constructor?

• A. Copy constructor
• B. Friend constructor
• C.Default constructor
• D.Parameterized constructor

Answer: Option B

3. Which of the following statements is correct?

• A.Base class pointer cannot point to derived class.
• B.Derived class pointer cannot point to base class.
• C.Pointer to derived class cannot be created.
• D.Pointer to base class cannot be created.

Answer: Option B

4.Which of the following is not the member of class?
z = x + y * z / 4 % 2 - 1

• A. Static function
• B. Friend function
• C.Const function
• D.Virtual function

Answer: Option B

5. Which of the following concepts means determining at runtime what method to invoke?

• A. Data hiding
• B. Dynamic Typing
• C.Dynamic binding
• D.Dynamic loading

Answer: Option C

6. Which of the following term is used for a function defined inside a class?

• A. Member Variable
• B. Member function
• C.Class function
• D.Classic function

Answer: Option B

7. Which of the following concept of oops allows compiler to insert arguments in a function call if it is not specified?

• A. Call by value
• B. Call by reference
• C.Default arguments
• D.Call by pointer

Answer: Option C

8. How many instances of an abstract class can be created?

• A.1
• B.5
• C.13
• D.0

Answer: Option D

9. Which of the following cannot be friend?

• A.Function
• B.Class
• C.Object
• D.Operator function

Answer: Option C

10. Which of the following concepts of OOPS means exposing only necessary information to client?

• A.Encapsulation
• B.Abstraction
• C.Data hiding
• D.Data binding

Answer: Option C

1. Which of the following statements is correct about Managed Code?

• A.Managed code is the code that is compiled by the JIT compilers.
• B.Managed code is the code where resources are Garbage Collected.
• C.Managed code is the code that runs on top of Windows.
• D.Managed code is the code that is written to target the services of the CLR.

Answer: Option D

2. Which of the following utilities can be used to compile managed assemblies into processor-specific native code?

• A.gacutil
• B.ngen
• C.sn
• D.dumpbin

Answer: Option B

3. Which of the following components of the .NET framework provide an extensible set of classes that can be used by any .NET compliant programming language?

• A.NET class libraries
• B. Common Language Runtime
• C.Common Language Infrastructure
• D.Component Object Model

Answer: Option A

4. What does the following C#.NET code snippet will print?

int i = 0, j = 0;

label:
i++;
j+=i;
if (i < 10)
{
Console.Write(i +" ");
goto label;
}

• A. Prints 1 to 9
• B. Prints 0 to 8
• C.Prints 2 to 8
• D.Prints 2 to 9

Answer: Option A

5. Which of the following is the correct output for the C#.NET program given below?

int i = 20 ;
for( ; ; )
{
Console.Write(i + " ");
if (i >= -10)
i -= 4;
else
break;
}

• A.20 16 12 84 0 -4 -8
• B. 20 16 12 8 4 0
• C. 20 16 12 8 4 0 -4 -8 -12
• D.16 12 8 4 0

Answer: Option C

6. Which of the following statements is correct?

• A. It is not possible to extend the if statement to handle multiple conditions using the else-if arrangement.
• B.The switch statement can include any number of case instances with two case statements having the same value.
• C.A jump statement such as a break is required after each case block excluding the last block if it is a default statement.
• D.The if statement selects a statement for execution based on the value of a Boolean expression.

Answer: Option D

7. A function returns a value, whereas a subroutine cannot return a value.

• A. True
• B. False

Answer: Option A

8. How many values is a function capable of returning?

• A.1
• B.0
• C.Depends upon how many params arguments does it use.
• D.Any number of values.

Answer: Option A

9. Which of the following CANNOT occur multiple number of times in a program?

• A. namespace
• B.Entrypoint
• C.Class
• D.Function

Answer: Option B

10. Which of the following statements is correct?

• A.A constructor can be used to set default values and limit instantiation.
• B. C# provides a copy constructor.
• C.Destructors are used with classes as well as structures.
• D.A class can have more than one destructor.

Answer: Option A

1. Which one of these lists contains only Java programming language keywords?

• A.class, if, void, long, Int, continue
• B. goto, instanceof, native, finally, default, throws
• C.try, virtual, throw, final, volatile, transient
• D.strictfp, constant, super, implements, do

Answer: Option B

2. Which will legally declare, construct, and initialize an array?

• A.int [] myList = {"1", "2", "3"};
• B.int [] myList = (5, 8, 2);
• C.int myList [] [] = {4,9,7,0};
• D.int myList [] = {4, 3, 7};

Answer: Option D

3. Which is a reserved word in the Java programming language?

• A. method
• B. native
• C.subclasses
• D.reference
• E.array

Answer: Option B

4. Which is a valid keyword in java?

• A. interface
• B. string
• C.Float
• D.unsigned

Answer: Option A

5. Which one is a valid declaration of a boolean?

• A.boolean b1 = 0;
• B.boolean b2 = 'false';
• C.boolean b3 = false;
• D.boolean b4 = Boolean.false();

Answer: Option C

6. What will be the output of the program?

class BitShift
{
public static void main(String [] args)
{
int x = 0x80000000;
System.out.print(x + " and ");
x = x >>> 31;
System.out.println(x);
}
}

• A.-2147483648 and 1
• B.0x80000000 and 0x00000001
• C.-2147483648 and -1
• D.1 and -2147483648

Answer: Option A

7. A function returns a value, whereas a subroutine cannot return a value.

class Equals
{
public static void main(String [] args)
{
int x = 100;
double y = 100.1;
boolean b = (x = y); /* Line 7 */
System.out.println(b);
}
}

• A. true
• B. false
• C.Compilation fails
• D.An exception is thrown at runtime

Answer: Option C

8. What will be the output of the program?

class Test
{
public static void main(String [] args)
{
int x=20;
String sup = (x < 15) ? "small" : (x < 22)? "tiny" : "huge";
System.out.println(sup);
}
}

• A. small
• B. tiny
• C.huge
• D.Compilation fails

Answer: Option B

9. What will be the output of the program?

class Test
{
public static void main(String [] args)
{
int x= 0;
int y= 0;
for (int z = 0; z < 5; z++)
{
if (( ++x > 2 ) && (++y > 2))
{
x++;
}
}
System.out.println(x + " " + y);
}
}

• A. 52
• B. 53
• C. 63
• D. 64

Answer: Option C

10. What will be the output of the program?

class Bitwise
{
public static void main(String [] args)
{
int x = 11 & 9;
int y = x ^ 3;
System.out.println( y | 12 );
}
}

• A. 0
• B. 7
• C. 8
• D. 14

Answer: Option D