第八周。
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unlockable
225
OOP/08/Exercise01.cpp
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225
OOP/08/Exercise01.cpp
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#include <iostream>
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class People {
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protected:
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int number;
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std::string name;
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std::string sex;
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public:
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People(int _number = 0, std::string _name = "Undefined",
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std::string _sex = "Undefined") {
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this->number = _number;
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this->name = _name;
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this->sex = _sex;
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}
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void displayNewProperties(){};
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void inputNewProperties(){};
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void display() {
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this->displayProperty("Number", this->number);
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this->displayProperty("Name", this->name);
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this->displayProperty("Sex", this->sex);
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}
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void inputInfo() {
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this->askForNewValue("Number", this->number);
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this->askForNewValue("Name", this->name);
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this->askForNewValue("Sex", this->sex);
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}
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void askForNewValue(std::string valueName, int &value) {
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std::cout << valueName << " (Original: " << value << "): ";
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std::cin >> value;
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}
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void askForNewValue(std::string valueName, std::string &value) {
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std::cout << valueName << " (Original: " << value << "): ";
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std::cin >> value;
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}
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void displayProperty(std::string propName, const int &value) {
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std::cout << propName << ": " << value << std::endl;
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}
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void displayProperty(std::string propName, const std::string &value) {
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std::cout << propName << ": " << value << std::endl;
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}
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};
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class Student : virtual public People {
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protected:
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std::string classNo;
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public:
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Student(int _number = 0, std::string _name = "Undefined",
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std::string _sex = "Undefined", std::string _classNo = "Undefined")
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: People(_number, _name, _sex), classNo(_classNo){};
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void displayNewProperties() {
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this->displayProperty("Class No.", this->classNo);
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}
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void inputNewProperties() {
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this->askForNewValue("Class No.", this->classNo);
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}
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void display() {
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People::display();
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this->displayNewProperties();
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}
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void inputInfo() {
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People::inputInfo();
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this->inputNewProperties();
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}
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};
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class Teacher : virtual public People {
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protected:
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std::string principalship;
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std::string department;
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public:
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Teacher(int _number = 0, std::string _name = "Undefined",
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std::string _sex = "Undefined",
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std::string _principalship = "Undefined",
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std::string _department = "Undefined")
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: People(_number, _name, _sex), principalship(_principalship),
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department(_department){};
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void displayNewProperties() {
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this->displayProperty("Principalship", this->principalship);
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this->displayProperty("Department", this->department);
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}
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void inputNewProperties() {
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this->askForNewValue("Principalship", this->principalship);
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this->askForNewValue("Department", this->department);
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}
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void display() {
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People::display();
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this->displayNewProperties();
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}
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void inputInfo() {
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People::inputInfo();
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this->inputNewProperties();
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}
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virtual void pay() {
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std::cout << "The pay is 1000" << std::endl;
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}
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};
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class Prof : public Teacher {
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public:
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Prof(int _number = 0, std::string _name = "Undefined",
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std::string _sex = "Undefined",
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std::string _principalship = "Undefined",
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std::string _department = "Undefined")
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: People(_number, _name, _sex),
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Teacher(_number, _name, "Female", _principalship, _department){};
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void pay() {
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std::cout << "The pay is 1100" << std::endl;
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}
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};
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class FemaleProf : public Prof {
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public:
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FemaleProf(int _number = 0, std::string _name = "Undefined",
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std::string _sex = "Female",
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std::string _principalship = "Undefined",
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std::string _department = "Undefined")
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: People(_number, _name, "Female"),
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Prof(_number, _name, "Female", _principalship, _department){};
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void pay() {
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std::cout << "The pay is 1200" << std::endl;
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}
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};
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class Graduate : virtual public Student {
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protected:
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std::string subject;
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Teacher advisor;
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public:
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Graduate(int _number = 0, std::string _name = "Undefined",
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std::string _sex = "Undefined", std::string _subject = "Undefined",
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int _advisorNumber = 0, std::string _advisorName = "Undefined",
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std::string _advisorSex = "Undefined",
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std::string _advisorPrincipalship = "Undefined",
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std::string _advisorDepartment = "Undefined")
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: Student(_number, _name, _sex), subject(_subject),
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advisor(_advisorNumber, _advisorName, _advisorSex,
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_advisorPrincipalship, _advisorDepartment){};
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void displayNewProperties() {
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this->displayProperty("Subject", this->subject);
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std::cout << "\n***** Advisor: *****" << std::endl;
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this->advisor.display();
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}
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void inputNewProperties() {
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this->askForNewValue("Subject", this->subject);
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std::cout << "\n***** Advisor: *****" << std::endl;
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this->advisor.inputInfo();
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}
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void display() {
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Student::display();
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this->displayNewProperties();
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}
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void inputInfo() {
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Student::inputInfo();
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this->inputNewProperties();
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}
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};
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class TeacherAssistant : public Graduate, public Teacher {
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protected:
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std::string RA;
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public:
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TeacherAssistant(int _number = 0, std::string _name = "Undefined",
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std::string _sex = "Undefined",
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std::string _subject = "Undefined", int _advisorNumber = 0,
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std::string _advisorName = "Undefined",
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std::string _advisorSex = "Undefined",
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std::string _advisorPrincipalship = "Undefined",
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std::string _advisorDepartment = "Undefined",
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std::string _principalship = "Undefined",
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std::string _department = "Undefined",
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std::string _RA = "Undefined")
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: People(_number, _name, _sex),
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Graduate(_number, _name, _sex, _subject, _advisorNumber, _advisorName,
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_advisorSex, _advisorPrincipalship, _advisorDepartment),
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Teacher(_number, _name, _sex, _principalship, _department), RA(_RA){};
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void displayNewProperties() {
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displayProperty("RA", this->RA);
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}
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void inputNewProperties() {
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askForNewValue("RA", this->RA);
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}
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void display() {
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People::display();
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Teacher::displayNewProperties();
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Student::displayNewProperties();
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Graduate::displayNewProperties();
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this->displayNewProperties();
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}
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void inputInfo() {
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People::inputInfo();
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Teacher::inputNewProperties();
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Student::inputNewProperties();
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Graduate::inputNewProperties();
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this->inputNewProperties();
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}
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};
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int main() {
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Teacher aTeacher(1, "Some Teacher", "Male", "Lecturer", "No Department");
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Prof aProf(2, "Some Prof", "Male", "Sleeping", "Sleep");
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FemaleProf aFemaleProf(3, "Some FemaleProf", "Female", "Sleeping2",
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"Sleep2");
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std::cout << "######## Teacher ########" << std::endl;
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Teacher *t = &aTeacher;
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t->display();
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t->pay();
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std::cout << "######## Prof ########" << std::endl;
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t = &aProf;
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t->display();
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t->pay();
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std::cout << "######## Female Prof ########" << std::endl;
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t = &aFemaleProf;
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t->display();
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t->pay();
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return 0;
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}
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33
OOP/08/Exercise02.cpp
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33
OOP/08/Exercise02.cpp
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@@ -0,0 +1,33 @@
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#include <iostream>
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class Mammal {
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public:
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virtual void speak() {
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std::cout << "I'm a mammal." << std::endl;
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}
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};
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class Dog : public Mammal {
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public:
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virtual void speak() {
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std::cout << "I'm a dog." << std::endl;
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}
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};
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class Cat : public Mammal {
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public:
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virtual void speak() {
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std::cout << "Nya!" << std::endl;
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}
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};
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int main() {
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Mammal* mammals[3];
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mammals[0] = new Mammal();
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mammals[1] = new Dog();
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mammals[2] = new Cat();
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mammals[0]->speak();
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mammals[1]->speak();
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mammals[2]->speak();
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return 0;
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}
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107
OOP/08/Optional01.cpp
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107
OOP/08/Optional01.cpp
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@@ -0,0 +1,107 @@
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#include <iostream>
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class Shape {
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public:
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Shape(){};
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~Shape(){};
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virtual float getArea() = 0;
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virtual float getPerim() = 0;
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virtual std::istream &operator>>(std::istream &input) = 0;
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};
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class Rectangle : public Shape {
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private:
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float length, height;
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public:
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Rectangle(float _length = 0, float _height = 0)
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: length(_length), height(_height){};
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~Rectangle(){};
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virtual float getArea() {
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return this->length * this->height;
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}
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virtual float getPerim() {
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return (this->length + this->height) * 2;
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}
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virtual std::istream &operator>>(std::istream &input) {
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std::cout << "Length: ";
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std::cin >> this->length;
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std::cout << "Height: ";
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std::cin >> this->height;
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return input;
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}
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};
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class Circle : public Shape {
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private:
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float radius;
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public:
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Circle(float _radius = 0) : radius(_radius){};
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~Circle(){};
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virtual float getArea() {
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return 3.14 * this->radius * this->radius;
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}
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virtual float getPerim() {
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return 2 * 3.14 * this->radius;
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}
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virtual std::istream &operator>>(std::istream &input) {
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std::cout << "Radius: ";
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std::cin >> this->radius;
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return input;
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}
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};
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inline std::istream &operator>>(std::istream &input, Shape &thisShape) {
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return thisShape >> input;
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}
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int main() {
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Shape *shapes[2];
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{
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std::string shapeType;
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do {
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std::cout << "The type of shape[0] ((r)ectangle, (c)ircle): ";
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std::cin >> shapeType;
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if (shapeType == "r") {
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shapes[0] = new Rectangle();
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break;
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}
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else if (shapeType == "c") {
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shapes[0] = new Circle();
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break;
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}
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else {
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std::cout << "Unknown name. Try again." << std::endl;
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}
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} while (true);
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std::cin >> *shapes[0];
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do {
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std::cout << "The type of shape[1] ((r)ectangle, (c)ircle): ";
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std::cin >> shapeType;
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if (shapeType == "r") {
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shapes[1] = new Rectangle();
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break;
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}
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else if (shapeType == "c") {
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shapes[1] = new Circle();
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break;
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}
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else {
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std::cout << "Unknown name. Try again." << std::endl;
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}
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} while (true);
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std::cin >> *shapes[1];
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}
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std::cout << "##### Shapes[0] #####" << std::endl;
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std::cout << "Area = " << shapes[0]->getArea()
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<< ", Perim = " << shapes[0]->getPerim() << std::endl;
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std::cout << "##### Shapes[1] #####" << std::endl;
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std::cout << "Area = " << shapes[1]->getArea()
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<< ", Perim = " << shapes[1]->getPerim() << std::endl;
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return 0;
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}
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