sayings1.cpp

一本很好的C++学习的丛书！初学者必看的

// sayings1.cpp -- using expanded String class
// compile with string1.cpp
#include <iostream>
#include "string1.h" 
const int ArSize = 10;
const int MaxLen =81;
int main()
{
    using std::cout;
    using std::cin;
    using std::endl;
    String name;
    cout <<"Hi, what's your name?\n>> ";
    cin >> name;

    cout << name << ", please enter up to " << ArSize
         << " short sayings <empty line to quit>:\n";
    String sayings[ArSize];     // array of objects
    char temp[MaxLen];          // temporary string storage
    int i;
    for (i = 0; i < ArSize; i++)
    {
        cout << i+1 << ": ";
        cin.get(temp, MaxLen);
        while (cin && cin.get() != '\n')
            continue;
        if (!cin || temp[0] == '\0')    // empty line?
            break;              // i not incremented
        else
            sayings[i] = temp;  // overloaded assignment
    }
    int total = i;              // total # of lines read

    cout << "Here are your sayings:\n";
    for (i = 0; i < total; i++)
        cout << sayings[i][0] << ": " << sayings[i] << endl;

    int shortest = 0;
    int first = 0;
    for (i = 1; i < total; i++)
    {
        if (sayings[i].length() < sayings[shortest].length())
            shortest = i;
        if (sayings[i] < sayings[first])
            first = i;
    }
    cout << "Shortest saying:\n" << sayings[shortest] << endl;;
    cout << "First alphabetically:\n" << sayings[first] << endl;
    cout << "This program used "<< String::HowMany() 
         << " String objects. Bye.\n";

    return 0; 
}