Object Oriented Programming With C Plus Plus - Multiple Choice Questions -006

51. Which one of the following is a built in function?

A. stringlen().

B. strlength().

C. strlen().

D. strleng().

ANSWER: C

52. ________ function is a function that calls itself repeatedly.

A. Friend.

B. Inline.

C. Recursive.

D. Member.

ANSWER: C

53. ________ is the process of using the same name for two or more functions.

A. Function overloading.

B. Operator overloading.

C. Default function.

D. Default function. Constructors.

ANSWER: A

54. A file is closed explicitly using_________.

A. fclose().

B. file_close().

C. fin.close().

D. filestream_object.close().

ANSWER: D

55. Which one of the following reads a single character from file?

A. cin().

B. put().

C. get().

D. getw().

ANSWER: C

56. ___________ is used to write a single character to output file.

A. cin().

B. put().

C. get().

D. getw().

ANSWER: B

57. The library function isalpha() requires the _______ header file.

A. <ctype.h>.

B. <math.h>.

C. <time.h>.

D. <stdlib.h>.

ANSWER: A

58. The technique of building new classes from existing classes is called _______.

A. inheritance

B. overloading

C. constructor

D. polymorphism

ANSWER: A

59. The class from which another class inherits the property is called __________ class.

A. derived

B. sub

C. subordinate

D. base

ANSWER: D

60. Base class is also called as ___________.

A. derived

B. sub

C. super

D. subordinate

ANSWER: C