#include <QCoreApplication>
#include <iostream>using namespace std;
/*struct*/class Student{//结构体成员默认public，类成员默认private
//public:
//    string m_name;
//    int m_age;
public://构造函数Student (string const& name, int age){m_name = name;m_age = age;}//成员函数void setName(string const& name){if(name != "威震天")m_name = name;}void setAge(int age){if(age > 0)m_age = age;}void who(void){cout << "我是 " << m_name << endl;cout << "今年 " << m_age << endl;}private://成员变量string m_name;int m_age;
};int main(int argc, char *argv[])
{QCoreApplication a(argc, argv);Student s1 ("大黄蜂", 233);s1.who();
//    s1.m_name = "ayumi";
//    s1.m_age = 33;
//    cout << s1.m_name << endl;
//    cout << s1.m_age << endl;s1.setName("救护车");s1.setAge(33);s1.who();s1.setName("威震天");s1.setAge(-99);s1.who();s1.setName("擎天柱");s1.setAge(666);s1.who();Student* s2 = new Student("铁皮", 333);s2->who();delete s2;s2 = NULL;Student sa[3] = {Student("大黄蜂", 233),Student("擎天柱", 233),Student("铁皮", 233)};sa[0].who();sa[1].who();sa[2].who();Student* ps = new Student[3]{Student("大黄蜂", 888),Student("擎天柱", 999),Student("铁皮", 77)};ps[0].who();ps[1].who();ps[2].who();delete[] ps;ps = NULL;return a.exec();
}