What does the int size = sizeof buffer / sizeof * buffer means ?you. #include #include #include using namespace std; int main() { ifstream myfile("ai. txt"); string line, buffer[10]; int size = sizeof buffer / sizeof *buffer; int i = 0; while ( getline(myfile, line) ) { buffer[i] = line; if ( ++i > = size ) { i = 0; } } for ( int j = 0; j < size; j++ ) { cout < < buffer[i] < < "\n"; if ( ++i > = size ) { i = 0; } } return 0; }

Avariable definition defines the name of a variable that will be used in a program, as well as

Perform the following tasks: a. create a class named testclass that holds a single private integer field and a public constructor. the only statement in the constructor is one that displays the message “constructing”. write a main()function that instantiates one object of the testclass. save the file as testclass.cpp in the chapter 08 folder. run the program and observe the results. b. write another main()function that instantiates an array of 10 testclass objects. save the file as test class array.c . run this program and observe the results.

Companies that implement and apply an information system effectively can create