diff options
Add files via upload
6 files changed, 197 insertions, 1 deletions
| -rw-r--r-- | Big4AndInheritance/Students/GradesBook.cpp | 91 | ||||
| -rw-r--r-- | Big4AndInheritance/Students/GradesBook.h | 24 | ||||
| -rw-r--r-- | Big4AndInheritance/Students/Student.cpp | 10 | ||||
| -rw-r--r-- | Big4AndInheritance/Students/Student.h | 13 | ||||
| -rw-r--r-- | Big4AndInheritance/Students/User.cpp | 43 | ||||
| -rw-r--r-- | Big4AndInheritance/Students/User.h | 17 |
diff --git a/Big4AndInheritance/Students/GradesBook.cpp b/Big4AndInheritance/Students/GradesBook.cpp new file mode 100644 index 0000000..0c04b83 --- /dev/null +++ b/Big4AndInheritance/Students/GradesBook.cpp @@ -0,0 +1,91 @@ +#include "GradesBook.h"
+
+
+GradesBook::GradesBook()
+{
+ capacity = 4;
+ grades = new int[capacity];
+ size = 0;
+}
+GradesBook::GradesBook(const GradesBook& other)
+{
+ cout << "Copy contr of GradesBook" << endl;
+ CopyFrom(other);
+}
+GradesBook& GradesBook::operator=(const GradesBook& other)
+{
+ if (this != &other)
+ {
+ Free();
+ CopyFrom(other);
+ }
+ return *this;
+}
+GradesBook::~GradesBook()
+{
+ Free();
+}
+
+
+void GradesBook::CopyFrom(const GradesBook& other)
+{
+ grades = new int[other.capacity];
+ for (int i = 0; i < other.size; i++)
+ grades[i] = other.grades[i];
+ capacity = other.capacity;
+ size = other.size;
+}
+void GradesBook::Free()
+{
+ delete[] grades;
+}
+
+
+bool GradesBook::isFull()
+{
+ return size == capacity;
+}
+void GradesBook::AddGrade(int grade)
+{
+ if (!isValidGrade(grade))
+ return;
+ if (isFull())
+ Resize();
+ grades[size++] = grade;
+
+}
+void GradesBook::Resize()
+{
+ int* temp = new int[capacity * 2];
+ for (int i = 0; i < size; i++)
+ temp[i] = grades[i];
+ capacity *= 2;
+ delete[] grades;
+ grades = temp;
+}
+void GradesBook::RemoveLastGrade()
+{
+ size--;
+}
+bool GradesBook::isValidGrade(int grade)
+{
+ return (grade >= 2 && grade <= 6);
+}
+int GradesBook::operator[](int index) const
+{
+ if (index < 0 || index >= size)
+ return -1;
+ return grades[index];
+}
+
+ostream& operator<<(ostream& stream, GradesBook& obj)
+{
+ for (int i = 0; i < obj.capacity; i++)
+ {
+ if (i < obj.size)
+ stream << obj.grades[i] << ' ';
+ else
+ stream << '_' << ' ';
+ }
+ return stream;
+}
\ No newline at end of file diff --git a/Big4AndInheritance/Students/GradesBook.h b/Big4AndInheritance/Students/GradesBook.h new file mode 100644 index 0000000..c9ba8e9 --- /dev/null +++ b/Big4AndInheritance/Students/GradesBook.h @@ -0,0 +1,24 @@ +class GradesBook
+{
+ int* grades;
+ int size;
+ int capacity;
+
+ bool isValidGrade(int grade);
+ void Resize();
+ void CopyFrom(const GradesBook& other);
+ void Free();
+public:
+ GradesBook();
+ GradesBook(const GradesBook& other);
+ GradesBook& operator=(const GradesBook& other);
+ ~GradesBook();
+
+ bool isFull();
+ void AddGrade(int grade);
+ void RemoveLastGrade();
+
+ int operator[](int index) const;
+ friend ostream& operator<<(ostream& stream, GradesBook& obj);
+
+};
diff --git a/Big4AndInheritance/Students/Student.cpp b/Big4AndInheritance/Students/Student.cpp new file mode 100644 index 0000000..c7180c8 --- /dev/null +++ b/Big4AndInheritance/Students/Student.cpp @@ -0,0 +1,10 @@ +#include "Student.h"
+Student::Student(const char* name, int age, int fn): User(name,age)
+{
+ this->fn = fn;
+}
+
+void Student::ReceiveGrade(int grade)
+{
+ book.AddGrade(grade);
+}
\ No newline at end of file diff --git a/Big4AndInheritance/Students/Student.h b/Big4AndInheritance/Students/Student.h new file mode 100644 index 0000000..4921a5d --- /dev/null +++ b/Big4AndInheritance/Students/Student.h @@ -0,0 +1,13 @@ +#include "User.h"
+
+class Student : public User
+{
+public:
+ int fn;
+ GradesBook b;
+
+ Student(const char* name, int age, int fn);
+ void ReceiveGrade(int grade)
+
+
+};
\ No newline at end of file diff --git a/Big4AndInheritance/Students/User.cpp b/Big4AndInheritance/Students/User.cpp new file mode 100644 index 0000000..27947b1 --- /dev/null +++ b/Big4AndInheritance/Students/User.cpp @@ -0,0 +1,43 @@ +#include "User.h"
+
+/*
+User::User(): name(nullptr),age(10)
+{
+
+}
+*/
+
+User::User(const char* name, int age)
+{
+ this->name = new char[strlen(name) + 1];
+ strcpy(this->name, name);
+ this->age = age;
+}
+User::User(const User& other)
+{
+ cout << "Copy contr of user" << endl;
+ CopyFrom(other);
+}
+User& User::operator=(const User& other)
+{
+ if (this != &other)
+ {
+ Free();
+ CopyFrom(other);
+ }
+ return *this;
+}
+User::~User()
+{
+ Free();
+}
+void User::CopyFrom(const User& other)
+{
+ name = new char[strlen(other.name) + 1];
+ strcpy(name, other.name);
+ age = other.age;
+}
+void User::Free()
+{
+ delete[] name;
+}
\ No newline at end of file diff --git a/Big4AndInheritance/Students/User.h b/Big4AndInheritance/Students/User.h index 4bcfe98..c466ef4 100644 --- a/Big4AndInheritance/Students/User.h +++ b/Big4AndInheritance/Students/User.h @@ -1 +1,16 @@ -d +#include <iostream>
+using namespace std;
+class User
+{
+private:
+ char* name;
+ int age;
+ void CopyFrom(const User& other);
+ void Free();
+public:
+ //User();
+ User(const char*name, int age);
+ User(const User& other);
+ User& operator=(const User& other);
+ ~User();
+};
|