morechar.cpp

来自「C++ Primer Plus（第五版）第3章例题代码」· C++ 代码 · 共 25 行

// morechar.cpp -- the char type and int type contrasted
#include <iostream>
int main()
{
    using namespace std;
    char c = 'M';       // assign ASCII code for M to c
    int i = ch;          // store same code in an int
    cout << "The ASCII code for " << ch << " is " << i << endl;

    cout << "Add one to the character code:" << endl;
    ch = ch + 1;          // change character code in c
    i = ch;              // save new character code in i
    cout << "The ASCII code for " << ch << " is " << i << endl;

    // using the cout.put() member function to display a char
    cout << "Displaying char ch using cout.put(ch): ";
    cout.put(ch);

    // using cout.put() to display a char constant
    cout.put('!');

    cout << endl << "Done" << endl;
    return 0;
}