第七周。

OOP/07/Exercise01.cpp

@@ -0,0 +1,49 @@
+#include <iostream>
+using namespace std;
+
+class B1 {
+public:
+    B1(int i) {
+        cout << "constructing B1 " << i << endl;
+    }
+    ~B1() {
+        cout << "destructing B1 " << endl;
+    }
+};
+
+class B2 {
+public:
+    static int count;
+    int selfCount;
+
+public:
+    B2() {
+        cout << "constructing B2 " << endl;
+        count++;
+        this->selfCount = count;
+    }
+
+    ~B2() {
+        cout << "destructing B2, self count: " << this->selfCount << endl;
+    }
+};
+
+class C : public B2, virtual public B1 {
+public:
+    int j;
+    B1 memberB1;
+    B2 memberB2;
+
+public:
+    C(int a, int b, int c) : B1(a), memberB1(b), j(c) {
+    }
+    ~C() {
+        cout << "destructing c" << endl;
+    }
+};
+
+int B2::count = 0;
+int main() {
+    C obj(1, 2, 3);
+    cout << obj.selfCount << endl << obj.memberB2.selfCount << endl;
+}

OOP/07/Exercise02.cpp

@@ -0,0 +1,222 @@
+#include <iostream>
+
+class People {
+protected:
+    int number;
+    std::string name;
+    std::string sex;
+
+public:
+    People(int _number = 0, std::string _name = "Undefined",
+           std::string _sex = "Undefined") {
+        this->number = _number;
+        this->name = _name;
+        this->sex = _sex;
+    }
+    void displayNewProperties(){};
+    void inputNewProperties(){};
+    void display() {
+        this->displayProperty("Number", this->number);
+        this->displayProperty("Name", this->name);
+        this->displayProperty("Sex", this->sex);
+    }
+    void inputInfo() {
+        this->askForNewValue("Number", this->number);
+        this->askForNewValue("Name", this->name);
+        this->askForNewValue("Sex", this->sex);
+    }
+
+    void askForNewValue(std::string valueName, int &value) {
+        std::cout << valueName << " (Original: " << value << "): ";
+        std::cin >> value;
+    }
+
+    void askForNewValue(std::string valueName, std::string &value) {
+        std::cout << valueName << " (Original: " << value << "): ";
+        std::cin >> value;
+    }
+
+    void displayProperty(std::string propName, const int &value) {
+        std::cout << propName << ": " << value << std::endl;
+    }
+
+    void displayProperty(std::string propName, const std::string &value) {
+        std::cout << propName << ": " << value << std::endl;
+    }
+};
+
+class Student : virtual public People {
+protected:
+    std::string classNo;
+
+public:
+    Student(int _number = 0, std::string _name = "Undefined",
+            std::string _sex = "Undefined", std::string _classNo = "Undefined")
+        : People(_number, _name, _sex), classNo(_classNo){};
+    void displayNewProperties() {
+        this->displayProperty("Class No.", this->classNo);
+    }
+    void inputNewProperties() {
+        this->askForNewValue("Class No.", this->classNo);
+    }
+    void display() {
+        People::display();
+        this->displayNewProperties();
+    }
+    void inputInfo() {
+        People::inputInfo();
+        this->inputNewProperties();
+    }
+};
+
+class Teacher : virtual public People {
+protected:
+    std::string principalship;
+    std::string department;
+
+public:
+    Teacher(int _number = 0, std::string _name = "Undefined",
+            std::string _sex = "Undefined",
+            std::string _principalship = "Undefined",
+            std::string _department = "Undefined")
+        : People(_number, _name, _sex), principalship(_principalship),
+          department(_department){};
+    void displayNewProperties() {
+        this->displayProperty("Principalship", this->principalship);
+        this->displayProperty("Department", this->department);
+    }
+    void inputNewProperties() {
+        this->askForNewValue("Principalship", this->principalship);
+        this->askForNewValue("Department", this->department);
+    }
+    void display() {
+        People::display();
+        this->displayNewProperties();
+    }
+    void inputInfo() {
+        People::inputInfo();
+        this->inputNewProperties();
+    }
+};
+
+class Graduate : virtual public Student {
+protected:
+    std::string subject;
+    Teacher advisor;
+
+public:
+    Graduate(int _number = 0, std::string _name = "Undefined",
+             std::string _sex = "Undefined", std::string _subject = "Undefined",
+             int _advisorNumber = 0, std::string _advisorName = "Undefined",
+             std::string _advisorSex = "Undefined",
+             std::string _advisorPrincipalship = "Undefined",
+             std::string _advisorDepartment = "Undefined")
+        : Student(_number, _name, _sex), subject(_subject),
+          advisor(_advisorNumber, _advisorName, _advisorSex,
+                  _advisorPrincipalship, _advisorDepartment){};
+    void displayNewProperties() {
+        this->displayProperty("Subject", this->subject);
+        std::cout << "\n***** Advisor: *****" << std::endl;
+        this->advisor.display();
+    }
+    void inputNewProperties() {
+        this->askForNewValue("Subject", this->subject);
+        std::cout << "\n***** Advisor:  *****" << std::endl;
+        this->advisor.inputInfo();
+    }
+    void display() {
+        Student::display();
+        this->displayNewProperties();
+    }
+    void inputInfo() {
+        Student::inputInfo();
+        this->inputNewProperties();
+    }
+};
+
+class TeacherAssistant : public Graduate, public Teacher {
+protected:
+    std::string RA;
+
+public:
+    TeacherAssistant(int _number = 0, std::string _name = "Undefined",
+                     std::string _sex = "Undefined",
+                     std::string _subject = "Undefined", int _advisorNumber = 0,
+                     std::string _advisorName = "Undefined",
+                     std::string _advisorSex = "Undefined",
+                     std::string _advisorPrincipalship = "Undefined",
+                     std::string _advisorDepartment = "Undefined",
+                     std::string _principalship = "Undefined",
+                     std::string _department = "Undefined",
+                     std::string _RA = "Undefined")
+        : People(_number, _name, _sex),
+          Graduate(_number, _name, _sex, _subject, _advisorNumber, _advisorName,
+                   _advisorSex, _advisorPrincipalship, _advisorDepartment),
+          Teacher(_number, _name, _sex, _principalship, _department), RA(_RA){};
+    void displayNewProperties() {
+        displayProperty("RA", this->RA);
+    }
+    void inputNewProperties() {
+        askForNewValue("RA", this->RA);
+    }
+    void display() {
+        People::display();
+        Teacher::displayNewProperties();
+        Student::displayNewProperties();
+        Graduate::displayNewProperties();
+        this->displayNewProperties();
+    }
+    void inputInfo() {
+        People::inputInfo();
+        Teacher::inputNewProperties();
+        Student::inputNewProperties();
+        Graduate::inputNewProperties();
+        this->inputNewProperties();
+    }
+};
+
+int main() {
+    Student stu(102, "SomeStuName", "Male", "SomeClassNo");
+    Teacher tea(192, "SomeTeacherName", "Female", "Lecturer", "SomeDepartment");
+    Graduate grad;
+    TeacherAssistant TA(
+        12, "Some TA", "Female", "Sleeping", 293, "SomeOtherAdvisor", "Male",
+        "Professor", "SomeDepartment", "Teacher Assistant", "Sleep", "SomeRA");
+
+    std::cout << "\n\n####### Student ########" << std::endl;
+    stu.display();
+
+    std::cout << "\n\n######## Teacher ########" << std::endl;
+    tea.display();
+
+    std::cout << "\n\n######## Graduate ########" << std::endl;
+    grad.display();
+
+    std::cout << "\n\n######## TeacherAssistant ########" << std::endl;
+    TA.display();
+
+    std::cout << "\n\n######## Input for stu ########" << std::endl;
+    stu.inputInfo();
+
+    std::cout << "\n\n######## Input for tea ########" << std::endl;
+    tea.inputInfo();
+
+    std::cout << "\n\n######## Input for grad ########" << std::endl;
+    grad.inputInfo();
+
+    std::cout << "\n\n######## Input for TA ########" << std::endl;
+    TA.inputInfo();
+
+    std::cout << "\n\n####### Student ########" << std::endl;
+    stu.display();
+
+    std::cout << "\n\n######## Teacher ########" << std::endl;
+    tea.display();
+
+    std::cout << "\n\n######## Graduate ########" << std::endl;
+    grad.display();
+
+    std::cout << "\n\n######## TeacherAssistant ########" << std::endl;
+    TA.display();
+    return 0;
+}