express.cpp

一本很好的C++学习的丛书！初学者必看的

// express.cpp -- values of expressions
#include <iostream>
int main()
{
    using namespace std;
    int x;

    cout << "The expression x = 100 has the value ";
    cout << (x = 100) << endl;
    cout << "Now x = " << x << endl;
    cout << "The expression x < 3 has the value ";
    cout << (x < 3) << endl;
    cout << "The expression x > 3 has the value ";
    cout << (x > 3) << endl;
    cout.setf(ios_base::boolalpha);   //a newer C++ feature
    cout << "The expression x < 3 has the value ";
    cout << (x < 3) << endl;
    cout << "The expression x > 3 has the value ";
    cout << (x > 3) << endl;
    return 0; 
}