#include <QCoreApplication> #include <iostream>using namespace std; /*struct*/class Student{//結構體成員默認public，類成員默認private //public: // string m_name; // int m_age; public://構造函數Student (string const& name, int age){m_name = name;m_age = age;}//成員函數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://成員變量string m_name;int m_age; };int main(int argc, char *argv[]) {QCoreApplication a(argc, argv);Student s1 ("大黃蜂", 233);s1.who(); // s1.m_name = "ayumi"; // s1.m_age = 33; // cout << s1.m_name << endl; // cout << s1.m_age << endl;s1.setName("救護車");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("鐵皮", 333);s2->who();delete s2;s2 = NULL;Student sa[3] = {Student("大黃蜂", 233),Student("擎天柱", 233),Student("鐵皮", 233)};sa[0].who();sa[1].who();sa[2].who();Student* ps = new Student[3]{Student("大黃蜂", 888),Student("擎天柱", 999),Student("鐵皮", 77)};ps[0].who();ps[1].who();ps[2].who();delete[] ps;ps = NULL;return a.exec(); }

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