C++ Programming

1. Computer Programming 2. History of Prog.Language 3. Introduction to C++ 4. OOPS 5. Features of C++ 6. Starting Turbo C++ 7. C++ Tokens 8. Basic requirment of C++ 9. Comments 10. My First Program in C++ 11. Line Break 12. C++ Escape Sequence 13. Constants or Literals 14. Variable in C++ 15. Data Types in C++ 16. Range of data types in C++ 17. Declare Variables 18. Reserved Key Words 19. cout<< 20. Chained & Embedded state 21. Prog.to print sum of 2 nos 22. cin>> 23. Prg.to print sum & average 24. Area & Perimeter of Rectangle 25. Area Circumference of Circle 26. Prg.for Simple Calculator 27. Operatos in C++ 28. Ex. Of Operators 29. Swap two numbers 30. Hierarchy of Operators 31. if( ) statement 32. Prg.to check +ve,-ve or zero 33. if..else statement 34. Prg.to check Odd or Even 35. Prg.to print larger of 2 nos 36. Prg.to print largest of 3 nos 37. Prg.to check divisibility 38. Prg.to check print range 39. for. . . loop statement 40. prg.to print series of nos 41. Prg.to check divisibility 42. prg.to print sum of series 43. Prg.to print Pyramid 44. prg.for Factorial 45. prg.to fill screen 46. prg.for largest/smallest no 47. prg.to print reverse no 48. prg.to add each digit 49. prg.for sum of factorial 50. prg.for fibonacci series 51. prg.to check Prime nos 52. prg. Prime no from 1 to 100 53. prg.Specified Prime nos 54. while( ) statement 55. do. . While statement 56. goto statement 57. break & continue statement 58. switch case statement 59. Array in C++ 60. print reverse order using array 61. Ascending/Descending order 62. prg.to search no in Array 63. Double Dimension Array 64. String in C++ 65. String with spaces in C++ 66. prg.to print string in reverse 67. prg.to count A,E,I,O,U vowel 68. Function( ) in C++ 69. Function program examples 70. General Purpose Programs 71. Loan & EMI calculation prg. 72. Table print prg. 73. Leap year program 74. lower to UPPER case prg. 75. Age Distribution prg. 76. Bank note calculation prg. 77. Simple Interest prg. 78. Compound Interest prg. 79. Simple Depreciation prg. 80. Reducing bal.Depreciation prg. 81. Marksheet prg. 82. Income Tax prg. 83. Time calculator prg. 84. Distance converter prg. 85. Volume Air Calculation prg. 86. Time to fill Water Tank prg. 87. Salary Calculation prg. 88. Total Sale Calculation prg. 89. Male/Female percentage prg. 90. Library Rent prg. 91. Office Expence prg. 92. Total Salary Calculation prg. 93. Profit or Loss prg. 94. Total Profit/Loss prg. 95. Convert Amt to Word. 96. ASCII Table 97. C++ Operators 98. C & C++ Reserved Keyword 99. C & C++ Pre-Define Function 100. C++ Interview Part1 101. C++ Interview Part2 102. C++ Interview Part3 103. C++ Interview Part4 104. C++ Interview Part5 105. C++ Interview Part6 106. C++ Interview Part7 107. C++ Interview Part8 108. C++ Interview Part9 109. C++ Interview Part10 110. C++ Interview Part11 111. C++ Interview Part11
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C++ Interview Question and Answers Part 6

 

51.How do you link a C++ program to C functions?

  • By using the extern "C" linkage specification around the C function declarations.

 

52.Explain the scope resolution operator.

  • It permits a program to reference an identifier in the global scope that has been hidden by another identifier with the same name in the local scope.

 

53.What are the differences between a C++ struct and C++ class?

  • The default member and base-class access specifier are different.

 

54.How many ways are there to initialize an int with a constant?

  • Two.

  • There are two formats for initializers in C++ as shown in the example that follows. The first format uses the traditional C notation.

  • The second format uses constructor notation.

int foo = 123;

int bar (123);

 

55.How does throwing and catching exceptions differ from using setjmp and longjmp?

  • The throw operation calls the destructors for automatic objects instantiated since entry to the try block.

 

56.What is a default constructor?

  • Default constructor WITH arguments

class B

{

public: B (int m = 0) : n (m)

{

}

int n; };

int main(int argc, char *argv[])

{

B b; return 0;

}

 

57.What is a conversion constructor?

  • A constructor that accepts one argument of a different type.

 

58.What is the difference between a copy constructor and an overloaded assignment operator?

  • A copy constructor constructs a new object by using the content of the argument object.

  • An overloaded assignment operator assigns the contents of an existing object to another existing object of the same class.

 

59.When should you use multiple inheritance?

  • There are three acceptable answers: "Never," "Rarely," and "When the problem domain cannot be acurately modeled any other way."

 

60.What is a mutable member?

  • One that can be modified by the class even when the object of the class or the member function doing the modification is const.

 

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