In C++, the mechanism that allows you to combine data and operations on the data into a single unit is called a(n) ____________________.
Fill in the blank(s) with the appropriate word(s).
class
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Write a function numLines that takes as a parameter an open input stream referencing a text file and returns as the function value the number of lines of text in the file. You may assume that the last character in the file is the newline character.
What will be an ideal response?
An argument type followed by a(n) in a method’s parameter list indicates that the method receives a variable number of arguments of that particular type.
a. square brackets ([]) b. ellipsis (...) c. varargs keyword d. All of the above are acceptable to indicate a variable number of arguments.
A double value can be implicitly converted to a(n) _________ .
a) int b) float c) long d) None of the above.
Along with an identifier and parameter list, a return type is part of a method's ____.
A. profile B. header C. signature D. declaration