internet systems consortium sample programming placement paper level1

7/29/2019 Internet Systems Consortium Sample Programming Placement Paper Level1

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TITLE:Internet Systems Consortium Sample Programming Placement

Paper Level1

(Bolded option is your answer)

1.void start() {

A a = new A();

B b = new B();

a.s(b);

b = null; /* Line 5 */

a = null; /* Line 6 */

System.out.println("start completed"); /* Line 7 */

}When is the B object, created in line 3, eligible for garbage collection?

A after line 5 B after line 6 C after line 7 D There is no

way to be

absolutely

certain.

2.public Object m()

{

Object o = new Float(3.14F);Object [] oa = new Object[l];

oa[0] = o; /* Line 5 */

o = null; /* Line 6 */

oa[0] = null; /* Line 7 */

return o; /* Line 8 */

}

When is the Float object, created in line 3, eligible for garbage

collection?A just after

line 5

B just after line 6 C just after

line 7

D just after line

8
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3. Which interface provides the capability to store objects using a key-

value pair?

AJava.util.Map B Java.util.Set C Java.util.List DJava.util.Collect

ion

4. Which collection class allows you to associate its elements with key

values, and allows you to retrieve objects in FIFO (first-in, first-out)

sequence?

A

java.util.Array

List

B

java.util.LinkedHash

Map

C

java.util.Hash

Map

D

java.util.TreeM

ap5. Which is valid declaration of a float?

A float f = 1F; B float f = 1.0; C float f = "1"; D float f = 1.0d;

6. Which of the following are valid calls to Math.max?

1.Math.max(1,4)

2.Math.max(2.3, 5)

3.Math.max(1, 3, 5, 7)

4.Math.max(-1.5, -2.8f)

A 1, 2 and 4 B 2, 3 and 4 C 1, 2 and 3 D 3 and 4

7. What is the name of the method used to start a thread execution?

A init(); B start(); C run(); D resume();

8.Which of the following will directly stop the execution of a Thread?


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A wait() B notify() C notifyall() D null()

9. Which will contain the body of the thread?

A run(); B start(); C stop(); D main();

10. Which class or interface defines the wait(), notify(),and notifyAll()

methods?

A Object B Thread C Runnable D Class

11. What is the prototype of the default constructor?

A Test( ) B Test(void) C public Test( ) D public

Test(void)

12. You want a class to have access to members of another class in the

same package. Which is the most restrictive access that accomplishes

this objective?

A public B private C protected D default

access

13. What is the narrowest valid returnType for methodA in line 3?

public class ReturnIt

{

returnType methodA(byte x, double y) /* Line 3 */

{return (long)x / y * 2;

}

}


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A int B byte C long D double

14. Given a method in a protected class, what access modifier do youuse to restrict access to that method to only the other members of the

same class?

A final B static C private D protected

15.Which four options describe the correct default values for array

elements of the types indicated?

1.int -> 02.String -> "null"

3.Dog -> null

4.char -> '\u0000'

5.float -> 0.0f

6.boolean -> true

A 1, 2, 3, 4 B 1, 3, 4, 5 C 2, 4, 5, 6 D 3, 4, 5, 6

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

A method B native C subclasses D reference

17. What is the numerical range of a char?

A -128 to 127 B -(215) to (215) - 1 C 0 to 32767 D 0 to 65535

18.Which of the following is NOT an Arithmetic operator in C#.NET?


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A ** B + C / D %

19. Which of the following is the correct output for the C#.NET codesnippet given below?

Console.WriteLine(13 / 2 + " " + 13 % 2);

A 6.5 1 B 6.5 0 C 6 0 D 6 1

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

int num = 1, z = 5;

if (!(num


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Sample x = new Sample();

x.i = 10;

fun(x);

Console.Write(x.i + " ");

}

static void fun(Sample y)

{

y.i = 20;

Console.Write(y.i + " ");

}

}}

A 10 20 B 10 10 C 20 10 D 20 20

22. How many bytes will the structure variable samp occupy in memory

if it is defined as shown below?

class Trial

{int i;

Decimal d;

}

struct Sample

{

private int x;

private Single y;

private Trial z;}

Sample samp = new Sample();


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A 20 bytes B 12 bytes C 8 bytes D 16 bytes

23. Which of the following is NOT a namespace in the .NET FrameworkClass Library?

A

System.Proce

ss

B System.Security C

System.Drawin

g

D System.Xml

24.Which of the following CANNOT belong to a C#.NET Namespace?

A class B struct C enum D Data

25. What happens when a class with parameterized constructors and

having no default constructor is used in a program and we create an

object that needs a zero-argument constructor?

A Compile-

time error.

B Preprocessing

error.

C Runtime

error.

D Runtime

exception.

26. A function with the same name as the class, but preceded with a

tilde character (~) is called __________ of that class.

A constructor B destructor C function D object

27. A union that has no constructor can be initialized with another

union of __________ type.

A different B same C virtual D class

28.Which of the following gets called when an object goes out ofscope?

A constructor B destructor C main D virtual

function


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29.Which of the following cannot be declared as virtual?

A Constructor B Destructor C DataMembers D Both A and C

30. Which of the following are NOT provided by the compiler by

default?

A Destructor B Zero-argument

Constructor

C Copy

Destructor

D Copy

Constructor

31. If the programmer does not explicitly provide a destructor, then

which of the following creates an empty destructor?

A

Preprocessor

B Compiler C Linker D main()

32.How will you print \n on the screen?

A printf("\n"); B echo "\\n"; C printf('\n'); D printf("\\n");

33. Which of the following function is more appropriate for reading in amulti-word string?

A printf(); B scanf(); C gets(); D puts();

34.Which of the following correctly shows the hierarchy of arithmetic

operations in C?

A / + * - B * - / + C + - / * D / * + -

35. In which numbering system can the binary number

1011011111000101 be easily converted to?


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A Decimal

system

B Hexadecimal

system

C Octal system D No

36.Which bitwise operator is suitable for turning on a particular bit in anumber?

A &&

operator

B & operator C || operator D | operator

internet systems consortium sample programming placement paper level1

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