1.17.  Review Questions
Prev Chapter 1.  C++ Introduction  Next

1.17.  Review Questions

[ fromfile: cppintro-questions.xml id: cppintro-questions ]

  1. What is a stream? What kinds of streams are there?

  2. Give one reason to use an ostrstream.

  3. What is the main difference between getline and the >> operator?

  4. What is the type of each expression?

    1. 3.14

    2. 'D'

    3. “d”

    4. 6

    5. 6.2f

    6. “something stringey”

    7. false

  5. In Example 1.27, identify the type and value of each “thing”:

    Example 1.27. src/types/types.cpp

    #include <QTextStream>

int main() {
	QTextStream cout(stdout);
	int i = 5;
	int j=6;
	int* p = &i;   1
	int& r=i;      
	int& rpr=(*p);
	i = 10;
	p = &j;       2
	rpr = 7;      3

	r = 8;        4
	cout << "i=" << i << " j=" << j << endl; 5
	return 0;
}

    1

    		*p: ______

    2

    		*p: ________

    3

    		*p: ________

    4

    		rpr: ________

    5

    		i: ________ j: ________

    (link)

  6. What is the difference between a pointer and a reference?

  7. Why does main(int argc, char* argv[]) sometimes have parameters? What are they used for?

Generated: $Date: 2009-09-08 12:15:32 -0400 (Tue, 08 Sep 2009) $ © 2009 Alan Ezust and Paul Ezust.
Prev Up Next
1.16.  const* and *const Home 1.17.1. Points of Departure