Answer all ) All are vallid tat display 19) Testing your progr hould he dore A)

Question

Answer all ) All are vallid tat display 19) Testing your progr hould he dore A) only if yeur instructor reqguires it O) at the end of the coding d there appear bobe probles each function is derveleped you wrie a function that should use call-by-ecfece but fonget to inclade the ampenand A) the program will nun with incorrect rewulth B) the program will not run without a rast-time error D) the program will not compile E) the program will not link 21) A(n) is a variable that has functions as well as data associated with A) doat D) int 22) 22) A character array berminated with the null character is most correctly called A) a o-string C) a character array. B) a string D) none of the above 23) Which is the proper way to deteraine howe many characters are in the stering variable amed str? A) lengthstr) B) str.get ength) getlenghrDstrlngth) 24) Which of the following returns the fourth character in the string varlable named str and checks if 24) a fourth character in the string? D) all of the above

Explanation / Answer

15) Not visible clearly.

16) (D) the actual argument's address

17) (E) all are valid

18) (A) merely displaying the cost doesn't require a return value. Hence a void function suffices.

19) (D) as each function is developed

20) (B) It will produce a runtine error

21) (C)

22) (C) a c-string

23) (D) for a c++ implementation, it is str.length()

24) (A) for a c++ implementation, it is str.at(3)

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