An array is a series of elements of the same type placed in contiguous memory locations that can be individually referenced by adding an index to a unique identifier

An array is a series of elements of the different type placed in contiguous memory locations that can be individually referenced by adding an index to a unique.

An array is a series of elements of the same type placed in contiguous memory locations that can be individually referenced by multiplying an index to a unique identifier

An array is a series of elements of the same type placed in contiguous memory locations that can be individually referenced by adding an index to a same identifier.

Ends current line and starts a new line in cout statement

Ends the execution of program where it is written

Ends the output in cout statement

Ends the line in program. There can be no statements after endl

Programmaing Languages and Technologies

Frage 1

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1. Specify the types of operator

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Logical, Bitwise, Arithmetic, Relational
Mathematical, Bitwise, Arithmetic, Relational
Assignment, Bitwise, Arithmetic, Relational
Logical, Bitwise, Assignment, Relational

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2. Logical operators always evaluated from

Antworten

Left to right
No difference
Not sure
Right to left

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3. When an equation uses more than one type of operator then the order of precedence has to be established with the different types of operators:

Antworten

Arithmetic, comparison, logical
Comparison, logical, arithmetic
Logical, arithmetic, comparison
Arithmetic, logical, comparison

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4. Precedence for Logical Operators

Antworten

NOT, AND, OR
OR, AND, NOT
OR, NOT, AND
AND, OR, NOT

Frage 5

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5. What is an array?

Antworten

An array is a series of elements of the different type placed in contiguous memory locations that can be individually referenced by adding an index to a unique.
An array is a series of elements of the same type placed in contiguous memory locations that can be individually referenced by multiplying an index to a unique identifier
An array is a series of elements of the same type placed in contiguous memory locations that can be individually referenced by adding an index to a unique identifier
An array is a series of elements of the same type placed in contiguous memory locations that can be individually referenced by adding an index to a same identifier.

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6. When an array is partially initialized, the rest of its elements will automatically be set to zero

Antworten

False
True
Nothing
All of them

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7. The whole array can be passed to a function. However, it can't be changed by the code in that function

Antworten

False
All of them
Nothing
True

Frage 8

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8. What are the three steps in using a function?

Antworten

Definition, prototype, invocation
Prototype, argument, signature
Definition, invocation, argument

Frage 9

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9. write mpg() function prototype, that takes two type double arguments and returns a double

Antworten

Double mpg(double a, double b)
Void mpg(){}
Float mpg(int a){ float b = 1; return b;}
Double mpg(int a, double b)

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10. What is data structure?

Antworten

is a group of data elements grouped together under one name
is a group of data elements grouped together under two names.
is a set of some elements grouped together under value
is a group of data elements together with some name.

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11. The data elements in structure are also known as what?

Antworten

Members
Data
Objects
None of the above

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12. What will be used when terminating a structure?

Antworten

Semicolon
Colon
Brackets
Dot

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13. Which stream class is used to both read and write on files?

Antworten

Fstream
Iostream
Ofstream
Ifstream

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14. Which stream class is only used to read files

Antworten

Ifstream
Ofstream
Iostream
Fstream

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15. What is the difference between array and structure?

Antworten

Structure can include members of different data types
No difference
Only on their declaration
Arrays can include only integers

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16. What is the output from the following program code?

Image:

15 (binary/octet-stream)

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10 10 10 10 10
11 11 11 11 11
10
0 1 2 3 4
Error

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17. The OR (||) operator:

Antworten

Stops evaluation upon finding one condition to be true
Has higher precedence that AND (&&) operator
True if all conditions are true
Associates from right to left

Frage 18

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18. Which of the following for headers is not valid for C++ code?

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for (integer i =0; j<10; i++);
for (int i = 0; i<9; i++)
for (int i = 0; i<8; i++)
for (int i = 0; i<7; i++)
all

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19. There might be functions with the same name, but different arguments. The function called is the one whose arguments match the invocation. What is this mean?

Antworten

Function overloading
Function overprocessing
Argument type error
Argument dispatch error

Frage 20

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20. Which of the following cannot be used to create a random numbers?

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structures
float
int
none of the mentioned

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21. Please evaluate !(1 && !(0 || 1)).

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True
False
Unevaluatable
Not sure

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22. What is the final value of x when the code int x; for(x=0; x<50; x++) {} is run?

Antworten

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23. How many times is a do while loop guaranteed to loop?

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0
Infinitely
1
Variable

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24. What is the output of the following code?

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23 (binary/octet-stream)

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value
77.5
Float
Variable

Frage 25

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25. Which of the following is a valid function call (assuming the function exists)?

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funct;
funct x, y;
funct();
struct funct();

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26. Which of the following is a complete function?

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int funct();
int funct(int x) {return x=x+1;}
void funct[int] {cout&tl;<"Hello"}
void funct{x} {cout<<"Hello"}

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27. Which of the following is required to avoid falling through from one case to the next?

Antworten

End;
Break;
Stop;
A semicolon;

Frage 28

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28. Which of the following is the proper declaration of a pointer?

Antworten

int x;
int &x;
ptr x;
int *x;

Frage 29

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29. Which of the following gives the memory address of integer variable a?

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*a;
a;
&a;
address(a);

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30. Which of the following gives the memory address of a pointer a?

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a;
*a;
&a;
address(a);

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31. Which of the following gives the value stored at the address pointed to by the pointer a?

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a;
val(a);
*a;
&a;

Frage 32

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32. Which of the following gives the value stored at the address pointed to by the pointer ptr?

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ptr;
val(ptr);
*ptr;
&ptr;

Frage 33

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33. Which of the following accesses a variable in structure b?

Antworten

b->var;
b.var;
b-var;
b>var;

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34. Which of the following accesses a variable in structure mystruct?

Antworten

mystruct ->var;
mystruct.var;
mystruct -var;
mystruct >var;

Frage 35

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35. Which of the following correctly accesses the seventh element stored in diana, an array with 100 elements?

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diana[6]
diana[7]
diana(7)
diana;

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36. What is the correct way to write the condition y < x < z?

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((y < x) && (x < z))
((y < x) || (x < z))
((y < x) & (x < z))
((y < x) AN (x < z))

Frage 37

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37. The value 132.54 can represented using which data type?

Antworten

Double
Void
Integer
Bool

Frage 38

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38. In an assignment statement “ a=b; ” which of the following statement is true?

Antworten

The variable a and the variable b are equal.
The value of b is assigned to variable a but the later changes on variable b will not effect the value of variable
The value of variable a is assigned to variable b and the value of variable b is assigned to variable a.

Frage 39

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39. The difference between while structure and do structure for looping is

Antworten

In while statement the condition is tested at the end of first iteration
In do structure the condition is tested at the beginning of first iteration
The do structure decides whether to start the loop code or not whereas while statement decides whether to repeat the code or not
In while structure condition is tested before executing statements inside loop whereas in do structure condition is tested before repeating the statements inside loop

Frage 40

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40. A function that calls itself for its processing is known as

Antworten

Inline Function
Nested Function
Overloaded Function
Recursive Function

Frage 41

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41. The keyword endl

Antworten

Ends the execution of program where it is written
Ends the output in cout statement
Ends the line in program. There can be no statements after endl
Ends current line and starts a new line in cout statement

Frage 42

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42. Strings are character arrays. The last index of it contains the nullterminated character

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Frage 43

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43. Variables inside parenthesis of functions declarations have _____ level access

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Local
Global
Module
Universal

Frage 44

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44. Array indexing always starts with the number

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0
1
-1
10

Frage 45

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45. Which of the following accesses a variable in structure st1?

Antworten

st1->var;
st1.var;
st1-var;
st1>var;

Frage 46

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46. Which looping process is best used when the number of iterations is known?

Antworten

For
While
Do-while
Nothing

Frage 47

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47. If there is more than one statement in the block of a for loop, which of the following must be placed at the beginning and the ending of the loop block?

Antworten

parentheses ( )
braces { }
brackets [ ]
arrows < >

Frage 48

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48. A memory address is…

Antworten

where a variable is stored.
where a variable is defined.
where a variable is declares.
where a variable is print out.

Frage 49

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49. The set of instructions that a computer will follow is known as..

Antworten

program
variable
computer
brackets

Frage 50

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50. cin >> number; is

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an output statement
a colon
a variable
an input statement

Frage 51

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51. cout << "How many items would you want?\n"; is

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an output statement
a colon
a variable
an input statement

Frage 52

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52. int number; is

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an output statement
a variable declaration
a variable
an input statement

Frage 53

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53. If x is 0, what is the value of (!x == 0)?

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True
False
2
15

Frage 54

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54. How to create array with n integers?

Antworten

int n; cin >> n; int a = new# int[n];
int n; cin >> n; int& a; a = new int[n];
int n; cin >> n; int* a; a = new int[n];
int n; cin >> n; int a; a = new% int[n];

Frage 55

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55. Which class should be included to work with files?

Antworten

iostream
string
cmath
fstream

Frage 56

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56. Which of the following is the output from the following C++ code?

Image:

55 (binary/octet-stream)

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15 14 13 12 11 10
15 14 13 12 11 10 9
9
15

Frage 57

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57. If originally x=0, y=1, and z=3, what is the value of x, y, and z after executing the following code ?

Image:

57 (binary/octet-stream)

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x=0 y=3 z=3
x=0 y=1 z=3
x=3 y=3 z=3
x=3 y=1 z=0

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58. What is the value of x after the following statements?

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58 (binary/octet-stream)

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Frage 59

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59. What is the value of x after the following statements?

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59 (binary/octet-stream)

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Frage 60

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60. Which of the following is the output from the following C++?

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60 (binary/octet-stream)

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Frage 61

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61. Given the following code fragment, what is the final value of y?

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61 (binary/octet-stream)

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Frage 62

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62. Which of the following is the output from the following C++ code

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62 (binary/octet-stream)

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Frage 63

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64. Which of the following is the final value of y from the following C++ code

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64 (binary/octet-stream)

Antworten

Frage 64

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63. Which of the following is the output from the following C++ code?

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63 (binary/octet-stream)

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Frage 65

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65. Which of the following is the final value of ‘i’ from the following C++ code ?

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65 (binary/octet-stream)

Antworten

5
4
0 1 2 3 4
0 1 2 3 4 5

Frage 66

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66. What is the value of x after the following code executes?

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66 (binary/octet-stream)

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Frage 67

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67. Given the following code, what is the final value of i?

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67 (binary/octet-stream)

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Frage 68

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68. What is the value of x after the following code executes?

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68 (binary/octet-stream)

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Frage 69

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69. What is the output of the following code segment?

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69 (binary/octet-stream)

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Frage 70

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70. What does the following code print to the screen?

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70 (binary/octet-stream)

Antworten

7
cout
int
world

Frage 71

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71. What is the value of x after the following statements?

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71 (binary/octet-stream)

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Frage 72

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72. What is the value of x after the following statements?

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72 (binary/octet-stream)

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Frage 73

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73. What is the value of x after the following code executes?

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73 (binary/octet-stream)

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Frage 74

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74. Given the following code, what is the final value of i?

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74 (binary/octet-stream)

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Frage 75

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75. Given the following code, what is the final value of i?

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75 (binary/octet-stream)

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Frage 76

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76. Which of the following is the valid array declaration

Antworten

int num(5)
int mycat[5]
Array. double[5] marks
Myarray.counter int[5]

Frage 77

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77. What is the output of the following code?

Image:

77 (binary/octet-stream)

Antworten

7
Value
1
6

Frage 78

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78. What is the value of x after the following statements ?

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78 (binary/octet-stream)

Antworten

Frage 79

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79. What is the final output of the following code fragment ?

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79 (binary/octet-stream)

Antworten

Frage 80

Frage

80. Solve the following piece of code and choose the best answer?

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80 (binary/octet-stream)

Antworten

The function addition is called by passing the values
The function addition is called by passing reference
Both of above
None of above

Frage 81

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81. If the type specifies of parameters of a function is followed by an ampersand &, that function call is…

Antworten

Pass by value
Pass by reference
All of answers
None of answers

Frage 82

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82. Which of the following gives the memory address of a pointer pt1?

Antworten

*pt1;
pt1;
&pt1;
address(ptr1);

Frage 83

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83. What is the value of x after the following statement?

Image:

83 (binary/octet-stream)

Antworten

1.75
50
30
20

Frage 84

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84. What is the final value of x after the following fragment of codeexecutes ?

Image:

84 (binary/octet-stream)

Antworten

Infinite loop
Never
1
0

Frage 85

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85. What is the value of x after the following statement?

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85 (binary/octet-stream)

Antworten

3.75
1.75
2
0

Frage 86

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86. What is the value of x after the following statements ?

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86 (binary/octet-stream)

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Frage 87

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87. What is the value of x after the following statements?

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87 (binary/octet-stream)

Antworten

Frage 88

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88. Given the following code fragment, what is the output

Image:

88 (binary/octet-stream)

Antworten

5
That is all. Goodbye
X is bigger than 5
X

Frage 89

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89. How many times is "Hi" printed to the screen ?

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89 (binary/octet-stream)

Antworten

Frage 90

Frage

90. How to read file and take first string?

Antworten

File should be created before running the code : “input.txt” .

Image:
90 1 (binary/octet-stream)
No need to create file before running the code, code will create it by itself.

Image:
90 2 (binary/octet-stream)
File should be created before running the code: “input.txt” .

Image:
90 3 (binary/octet-stream)
No need to create file before running the code, code will create it by itself .

Image:
90 4 (binary/octet-stream)

Frage 91

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91. How to write to file?

Antworten

File should be created before running the code: “output.txt” .

Image:
91 1 (binary/octet-stream)
No need to create file before running the code, code will create it by itself .

Image:
91 2 (binary/octet-stream)
File should be created before running the code: “output.txt” .

Image:
91 3 (binary/octet-stream)
No need to create file before running the code, code will create it by itself

Image:
91 4 (binary/octet-stream)

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92. There is given array with n elements, created as pointer. How to remove it correctly?

Image:

92 (binary/octet-stream)

Antworten

delete a;
delete[] a;
remove[] a;
remove a;

Frage 93

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93. How to write correct recursive function for making sum of n numbers?

Antworten

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94. How to make several items in structure? Just think that you have “HOME”, and n items in it

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94 (binary/octet-stream)

Antworten

Frage 95

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95. Find mistake of next cod ?

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95 (binary/octet-stream)

Antworten

No mistakes, it will just read from file and print first string in command line
Mistake in opening file, should be: file.open(“input.txt”);
It should write in other file; it can’t write directly to command line.
It should read from read from file, when we want to write in command line.

Frage 96

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96. What will print in command line next code ?

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96 (binary/octet-stream)

Antworten

Read first string from file “input.txt”, and print it in command line.
It will give an error, because, file should read in this way: file.open(“input.txt”);
It won’t print anything.
Read all lines and print it in new file.

Frage 97

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97. Which one will be correct function for ?

Antworten

Frage 98

Frage

98. There are given array “numbers” with 10 numbers. How to make sum of all numbers, which are located in odd indexes?

Antworten

Frage 99

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99. There is given string named “str”. How to print in command line length of str?

Antworten

cout << str.count();
cout << str.length;
cout << str.lenth();
cout >> str.lenth();

Frage 100

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100. How to implement array of chars with 10 elements?

Antworten

char* chs; chs = new char(10);
char chs; chs = char[10];
char chs[10];
char chs[] = new char[10];

Frage 101

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101. How to implement array of integer numbers with n elements, and how to delete them correctly?

Antworten

int n; cin >> n; int* a; a = new% int[n]; delete[] a;
int n; cin >> n; int& a; a = new int[n]; delete[] a;
int n; cin >> n; int* a; a = new@ int[n]; delete[n] a;
int n; cin >> n; int* a; a = new& int[n]; for(int i=0; i<n; i++) delete a;

Frage 102

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102. How to get whole string in one line (in command line)?

Antworten

string s; getline(cin, s);
string s; getline(cout, s);
string s; cin >> s;
string s; cout << s;

Frage 103

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103. How to get whole string in one line (in file)?

Antworten

ifstream file; string s; getline(file, s);
ifstream file; string s; getline(cin, s);
ifstream file; string s; getline(cout, s);
ifstream file; string s; file >> s;

Frage 104

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104. Why do we need library?

Antworten

To work with strings.
To work with files.
To work with mathematical functions.
To work with our own libraries.

Frage 105

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105. Why do we need library <cmath>?

Antworten

To work with strings.
To work with mathematical functions.
To work with command line.
To work with our own libraries.

Frage 106

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106. Where is the mistake of the code ?

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106 (binary/octet-stream)

Antworten

Variable “a” do not have any values.
Library didn’t included.
Library didn’t included.
Library didn’t included

Frage 107

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107. What will be printed in the part of the cod?

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107 (binary/octet-stream)

Antworten

1 4 7 10
0 3 6 9
3 6 9
9 6 3 0

Frage 108

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108. What will be printed in the part of the code?

Image:

108 (binary/octet-stream)

Antworten

0 8 16 24 32
2 10 18 26 34
6 12 20 28 36
4 10 18 26 34

Frage 109

Frage

109. Which of the following is the proper keyword to allocate memory?

Antworten

new
malloc
create
value

Frage 110

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110. Which of the following is the proper keyword to deallocate memory?

Antworten

free
delete
clear
remove

Frage 111

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111. Assume if A = 10; and B = 15; with using bitwise OR operator Find A||B

Antworten

Frage 112

Frage

112. The notation of logical NOT operator in a C++ program is

Antworten

!
:
;
None of above

Frage 113

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113. Which of the following denote C++ looping statement?

Antworten

All of them
for
while
do-while

Frage 114

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Cin in C++ program uses the operator

Antworten

Frage 115

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What is the minimum number of times a do loop would definitely get executed?

Antworten

1
inf
0
None of the above

Frage 116

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The function named as exforsys declared as int exforsys(float x, double y) has return type as

Antworten

int
char
double
string

Frage 117

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Which of the following is mandatory for all C++ program?

Antworten

main()
void()
system()
None of the above

Frage 118

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Which of the following denote newline character in C++ program?

Antworten

“\n”
end
“/n”
enl

Frage 119

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Which of the following is used to group a set of objects and functions under a name?

Antworten

namespace
name
namearea
areaname

Frage 120

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What is the notation used to place block of statements in a looping structure in C++?

Antworten

Frage 121

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What is the notation used show the size of array?

Antworten

Frage 122

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How many values can be returned by a C++ function?

Antworten

1
Inf
0
None of the above

Frage 123

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123. Which of the following is returned by the system if a C++ program completes successfully?

Antworten

0
1
-1
Inf

Frage 124

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124. The variables that can be used only within the function in which it is declared is called as

Antworten

local
global
both of them
none of them

Frage 125

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125. Comments in C++ program is written by using

Antworten

//
--
<!-->
<>

Frage 126

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126. The array exforsys[10] can be declared using pointers as

Antworten

* exforsys[ ]
exforsys[ ]
$exforsys[ ]
&exforsys[ ]

Frage 127

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127. Default size of int in c++ (in bytes)

Antworten

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128. Default size of double in c++ (in bytes)

Antworten

Frage 129

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129. Default value of boolean

Antworten

false
true

Frage 130

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130. If a function in C++ does not return a value then its return type is denoted as

Antworten

void
int
double
bool

Frage 131

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131. A user defined header file is included by following statement in general.

Antworten

#include "file.h"
#include <file.h>
#include file.h
#include <file>

Frage 132

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132. An inline function can execute faster than a normal function.

Antworten

True
False

Frage 133

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133. What value must a destructor return?

Antworten

Destructors do not return a value.
A pointer to the class.
An object of the class.
A status code determining whether the class was destructed correctly

Frage 134

Frage

134. What character ends all strings?

Antworten

‘\o’
‘\n’
‘’
‘.’

Frage 135

Frage

135. Which of the following reads in a string named x with one hundred characters?

Antworten

cin.getline(x, 100, '\n');
cin.getline(100, x, '\n');
readline(x, 100, '\n');
read(x);

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136. Which of the following functions compares two strings?

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strcmp();
cmp();
stringcompare();
compare();

Frage 137

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137. Which of the following adds one string to the end of another?

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strcat();
append();
stradd();
stringadd();

Frage 138

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138. Which of the following correctly declares an array?

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int anarray[10];
int anarray;
anarray{10};
array anarray[10];

Frage 139

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139. What is the index number of the last element of an array with 29 elements?

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Frage 140

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140. Which of the following is a two-dimensional array?

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int anarray[20][20];
array anarray[20][20];
int array[20, 20];
char array[20];

Frage 141

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141. Which of the following correctly accesses the seventh element stored in foo, an array with 100 elements?

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foo[6]
foo[7]
foo(6)
foo

Frage 142

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142. Which of the following accesses a variable in structure b?

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b.var
b->var
b-var
b>var

Frage 143

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143. Which of the following accesses a variable in structure *b?

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b->var
b.var
b-var
b>var

Frage 144

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144. Which of the following is a properly defined struct?

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struct a_struct {int a;};
struct a_struct {int a;}
struct {int a;}
struct a_struct int a;

Frage 145

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145. Which properly declares a variable of struct foo?

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foo var
struct foo
foo
int foo

Frage 146

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146. Which of the following is the proper declaration of a pointer?

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int *x;
int &x;
ptr x;
int x;

Frage 147

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147. Which of the following gives the memory address of integer variable a?

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&a;
*a;
address(a);
a;

Frage 148

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148. Which of the following gives the value stored at the address pointed to by the pointer a?

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*a;
&a;
a;
val(a);

Frage 149

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149. Which of the following is the proper keyword to allocate memory?

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new
malloc
create
value

Frage 150

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150. Which of the following is the proper keyword to deallocate memory?

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delete
clear
remove
free

Frage 151

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151. What is the notation used to place block of statements in a looping structure in C++?

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Frage 152

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152. What is the notation used show the size of array?

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Frage 153

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153. How many values can be returned by a C++ function?

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1
Inf
0
None of the above

Frage 154

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154. Which of the following is returned by the system if a C++ program completes successfully?

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0
1
-1
Inf

Frage 155

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155. The variables that can be used only within the function in which it is declared is called as

Antworten

local
global
both of them
none of them

Frage 156

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156. Comments in C++ program is written by using

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//
--
<!-->
<>

Frage 157

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157. The array exforsys[10] can be declared using pointers as

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* exforsys[ ]
exforsys[ ]
$exforsys[ ]
&exforsys[ ]

Frage 158

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158. Default size of int in c++ (in bytes)

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Frage 159

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159. Default size of double in c++ (in bytes)

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Frage 160

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160. Default value of boolean

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false
true

Frage 161

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161. If a function in C++ does not return a value then its return type is denoted as

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void
int
double
bool

Frage 162

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162. A user defined header file is included by following statement in general.

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#include “file.h”
#include <file.h>
#include file.h
#include <file>

Frage 163

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163. An inline function can execute faster than a normal function.

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True
False

Frage 164

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164. What value must a destructor return?

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Destructors do not return a value.
A pointer to the class.
An object of the class.
A status code determining whether the class was destructed correctly

Frage 165

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165. What character ends all strings?

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‘\o’
‘\n’
‘’
‘.’

Frage 166

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166. Which of the following reads in a string named x with one hundred characters?

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cin.getline(x, 100, '\n');
cin.getline(100, x, '\n');
readline(x, 100, '\n');
read(x);

Frage 167

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167. Which of the following functions compares two strings?

Antworten

strcmp();
cmp();
stringcompare();
compare();

Frage 168

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168. Which of the following adds one string to the end of another?

Antworten

strcat();
append();
stradd();
stringadd();

Frage 169

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169. Which of the following correctly declares an array?

Antworten

int anarray[10];
int anarray;
anarray{10};
array anarray[10];

Frage 170

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170. What is the index number of the last element of an array with 29 elements?

Antworten

Frage 171

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171. Which of the following is a two-dimensional array?

Antworten

int anarray[20][20];
array anarray[20][20];
int array[20, 20];
char array[20];

Frage 172

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172. Which of the following correctly accesses the seventh element stored in foo, an array with 100 elements?

Antworten

foo[6]
foo[7]
foo(6)
foo

Frage 173

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173. Which of the following accesses a variable in structure b?

Antworten

b.var
b->var
b-var
b>var

Frage 174

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174. Which of the following accesses a variable in structure *b?

Antworten

b->var
b.var
b-var
b>var

Frage 175

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175. Which of the following is a properly defined struct?

Antworten

struct a_struct {int a;};
struct a_struct {int a;}
struct {int a;}
struct a_struct int a;

Frage 176

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176. Which properly declares a variable of struct foo?

Antworten

foo var
struct foo
foo
int foo

Frage 177

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177. Which of the following is the proper declaration of a pointer?

Antworten

int *x;
int &x;
ptr x;
int x;

Frage 178

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178. Which of the following gives the memory address of integer variable a?

Antworten

&a;
*a;
address(a);
a;

Frage 179

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179. Which of the following gives the value stored at the address pointed to by the pointer a?

Antworten

*a;
&a;
a;
val(a);

Frage 180

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180. Which of the following is the proper keyword to allocate memory?

Antworten

new
malloc
create
value

Frage 181

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1. Use the following declaration and initialization to evaluate the Java expressions int a = 2, b = 3, c = 4, d = 5; cout << ( b * a + c *d --);

Antworten

Frage 182

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181. Use the following declaration and initialization to evaluate the Java expressions int a = 2, b = 3, c = 4, d = 5; cout << (++d);

Antworten

Frage 183

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182. Use the following declaration and initialization to evaluate the Java expressions int a = 2, b = 3, c = 4, d = 5; cout << (c = d + c++);

Antworten

Frage 184

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183. Use the following declaration and initialization to evaluate the Java expressions int a = 2, b = 3, c = 4, d = 5; cout << (c = d + ++c);

Antworten

Frage 185

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2. In a class definition, the special method provided to be called to create an instance of that class is known as a/an

Antworten

Constructor
Destructor
Object
Compiler

Frage 186

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184. ……………….. are used to document a program and improve its readability.

Antworten

Comments
Keywords
Control structures
Blocks

Frage 187

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185. Members of a class specified as ……………….. are accessible only to methods of that class.

Antworten

private
public
protected
none of them

Frage 188

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186. Use the following declaration and initialization to evaluate the Java expressions int a = 2, b = 3, c = 4, d = 5; cout << ( --b * a + c *d --);

Antworten

Frage 189

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187. Use the following declaration and initialization to evaluate the Java expressions int a = 2, b = 3, c = 4, d = 5; cout << (a++);

Antworten

2
1
Syntax error
3

Frage 190

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188. Use the following declaration and initialization to evaluate the Java expressions int a = 2, b = 3, c = 4, d = 5; cout << (c = c++);

Antworten

Frage 191

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189. Identify, from among the following, the incorrect variable name

Antworten

2ndName
_theButton
my2ndFont.
CurrentWeatherStateofplanet

Frage 192

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190. An overloaded method consists of: i) The same method name with different types of parameters ii) The same method name with different number of parameters iii) The same method name and same number and type of parameters

Antworten

Both i and ii
all of them
none of them
only i

Frage 193

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191. You read the following statement in a C++ program that compiles and executes. submarine.dive(depth); What can you say for sure?

Antworten

dive must be a method.
depth must be an int
submarine must be the name of a class
submarine must be a method.

Frage 194

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192. What is the type and value of the following expression? - 4 + 1/2 + 2*-3 + 5.0

Antworten

double -5.0
int -5
double -4.5
none of the above

Frage 195

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193. What is printed by the following statement? cout << (“Hello,\nworld!”);

Antworten

Hello, world!
Hello, \nworld!
Hello, world
“Hello, \nworld!”

Frage 196

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194. Which of the following variable declaration would NOT compile in a java program?

Antworten

int 1_var;
int var_1;
int var;
int VAR;

Frage 197

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3. _________ is a paradigm based on the concepts of “object” that contains data and methods

Antworten

Object-oriented programming
Object-based programming
Data-oriented programming
Method-oriented programming

Frage 198

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195. Two or more methods with same name in the same class with different arguments is called as

Antworten

Method overloading
Method overriding
Method overridden
none of the above

Frage 199

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196. Constructors are used to

Antworten

Initialize a newly create object.
Free memory
To create a subclass
To build a user interface

Frage 200

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197. Syntax of loop for (declaration; condition; increment/decrement){}

Antworten

False
True

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Programmaing Languages and Technologies

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