Homework updates

1-CLASSES-OBJECTS-AND-DATA-STRUCTURES/homework/Order.h

@@ -0,0 +1,34 @@
+#ifndef ORDER_H
+#define ORDER_H
+#include <string>
+#include <vector>
+#include "Product.h"
+using namespace std;
+
+class Order{
+private:
+    int orderID;
+    string customerName;
+    vector<Product*> orderedProducts;
+
+public:
+    Order(int id, const string& name)
+        : orderID(id), customerName(name) {}
+
+    void addProduct(Product* product) {
+        orderedProducts.push_back(product);
+    }
+    double calculateOrderTotal() const {
+        double total=0.0;
+        for(const auto& product : orderedProducts){
+            total+=product->getProductPrice();
+        }
+        return total;
+    }
+
+    int getOrderID() const { return orderID; }
+    string getCustomerName() const { return customerName; }
+    const vector<Product*>& getOrderedProducts() const { return orderedProducts; }
+};
+
+#endif

1-CLASSES-OBJECTS-AND-DATA-STRUCTURES/homework/Product.h

@@ -0,0 +1,22 @@
+#ifndef PRODUCT_H
+#define PRODUCT_H
+
+#include <string>
+using namespace std;
+
+class Product{
+private:
+    int productID;
+    string productName;
+    double productPrice;
+
+public:
+    Product(int id, const string& name, double price)
+        : productID(id), productName(name), productPrice(price) {}
+
+    int getProductID() const { return productID; }
+    string getProductName() const { return productName; }
+    double getProductPrice() const { return productPrice; }
+};
+
+#endif

1-CLASSES-OBJECTS-AND-DATA-STRUCTURES/homework/homework-01-library-management-system.cpp

@@ -37,7 +37,28 @@ using namespace std;
 
 /*  Solution */
 
-
+class Book{
+private:
+    string title;
+    string author;
+    int publicationYear;
+    string isbn;
+
+public:
+    void setBookDetails(string t, string a, int year, string i){
+        title=t;
+        author=a;
+        publicationYear=year;
+        isbn=i;
+    }
+
+    void displayBookDetails(){
+        cout<<"Title: "<<title<<endl;
+        cout<<"Author: "<<author<<endl;
+        cout<<"Publication Year: "<<publicationYear<<endl;
+        cout<<"ISBN: "<<isbn<<endl;
+    }
+};
 
 int main() {
 

1-CLASSES-OBJECTS-AND-DATA-STRUCTURES/homework/homework-02-employee-management-system.cpp

@@ -39,6 +39,45 @@ using namespace std;
 
 /*  Solution */
 
+class Employee{
+private:
+    int id;
+    string name;
+    string designation;
+    float salary;
+
+public:
+    Employee(){
+        id=0;
+        name="Unknown";
+        designation="Not Assigned";
+        salary=0.0;
+    }
+
+    Employee(int empID, string empName, string empDesignation, float empSalary){
+        id=empID;
+        name=empName;
+        designation=empDesignation;
+        salary=empSalary;
+    }
+
+    void setID(int empID) { id = empID; }
+    void setName(string empName) { name = empName; }
+    void setDesignation(string empDesignation) { designation = empDesignation; }
+    void setSalary(float empSalary) { salary = empSalary; }
+
+    int getID() { return id; }
+    string getName() { return name; }
+    string getDesignation() { return designation; }
+    float getSalary() { return salary; }
+
+    void displayDetails() {
+        cout << "ID: " << id << endl;
+        cout << "Name: " << name << endl;
+        cout << "Designation: " << designation << endl;
+        cout << "Salary: $" << salary << endl;
+    }
+};
 
 
 int main() {

1-CLASSES-OBJECTS-AND-DATA-STRUCTURES/homework/homework-03-bank-account-encapsulation.cpp

@@ -27,10 +27,41 @@ class BankAccount {
 
     public:
         // Constructor
-        BankAccount(int accountNumber, const string &holderName, double initialBalance) {
-            // TODO: Initialize member variables
+        BankAccount(int accNumber, const string &name, double Abalance) {
+            accountNumber=accNumber;
+            holderName=name;
+            balance=Abalance;
         }
 
+        void deposit(double amount){
+            if(amount>0){
+                balance+=amount;
+                cout<<"Deposit:"<<amount<<endl;
+            }
+            else{
+                cout<<"Not a deposit amount:"<<endl;
+            }
+        }
+
+        void withdraw(double amount){
+            if(amount>0 && amount<=balance){
+                balance=balance-amount;
+                cout<<"Withdraw:"<<amount<<endl;
+            }
+            else{
+                cout<<"Error"<<endl;
+            }
+        }
+
+        double getBalance() const {
+        return balance;
+        }
+
+        void displayDetails() const {
+        cout<<"Account Number:"<<accountNumber<<endl;
+        cout<<"Name:"<<holderName<<endl;
+        cout<<"Balance:"<<balance<<endl;
+    }
         // Member functions
         // TODO: Implement member functions for deposit, withdraw, and check balance
 };

1-CLASSES-OBJECTS-AND-DATA-STRUCTURES/homework/homework-04-employee-setters-and-getters.cpp

@@ -44,14 +44,57 @@ class Employee {
 
     public:
         // TODO: Implement setters and getters
+        void setName(const string& n){
+            name=n;
+        }
+
+        void setAge(int a){
+            age=a;
+        }
+
+        void setPosition(const string& p){
+            position = p;
+        }
+
+        void setSalary(double s){
+            salary=s;
+        }
+
+        string getName() const{
+            return name;
+        }
+
+        int getAge() const{
+            return age;
+        }
+
+        string getPosition() const{
+            return position;
+        }
+
+        double getSalary() const{
+            return salary;
+    }
 
 };
 
 
+
 int main() {
 
     // TODO: Test the Employee class by creating an object, setting attributes, and getting attribute values
+    Employee emp;
+
+    emp.setName("Aysel");
+    emp.setAge(20);
+    emp.setPosition("Worker");
+    emp.setSalary(100);
 
+    cout<<"Employee Details:"<<endl;
+    cout<<"Name: "<<emp.getName()<<endl;
+    cout<<"Age: "<<emp.getAge()<<endl;
+    cout<<"Position: "<<emp.getPosition()<<endl;
+    cout<<"Salary: "<<emp.getSalary()<<endl;
     return 0;
 }
 

1-CLASSES-OBJECTS-AND-DATA-STRUCTURES/homework/homework-05-online-shop-system.cpp

@@ -1,5 +1,6 @@
 #include <iostream>
-
+#include "Product.h"
+#include "Order.h"
 using namespace std;
 
 /*
@@ -65,9 +66,9 @@ int main() {
     Order order(1, "John Doe");
 
     // Add products to the order
-    order.addProduct(p1);
-    order.addProduct(p2);
-    order.addProduct(p3);
+    order.addProduct(&p1);
+    order.addProduct(&p2);
+    order.addProduct(&p3);
 
     // Calculate the order total
     double total = order.calculateOrderTotal();
@@ -77,8 +78,8 @@ int main() {
     cout << "Customer Name: " << order.getCustomerName() << endl;
     cout << "Ordered Products:" << endl;
 
-    for (const Product& product : order.getOrderedProducts()) {
-        cout << " - " << product.getProductName() << endl;
+    for (const Product* product : order.getOrderedProducts()) {
+        cout << " - " << product->getProductName() << endl;
     }
 
     cout << "Total: $" << total << endl;

1-CLASSES-OBJECTS-AND-DATA-STRUCTURES/homework/homework-06-library-oop-principles.cpp

@@ -1,8 +1,6 @@
-
 #include <iostream>
-
+#include <string>
 using namespace std;
-
 /*
     Exercise:   
     Create a program to manage a library with books using Object-Oriented Programming (OOP) principles in C++. 
@@ -40,6 +38,29 @@ using namespace std;
 
 class Book {
     // TODO:
+private:
+    string title;
+    string author;
+    int year;
+
+public:
+    Book(){
+        title="";
+        author="";
+        year=0;
+    }
+
+    Book(const string& t, const string& a, int y){
+        title=t;
+        author=a;
+        year=y;
+    }
+
+    void display() const {
+        cout<<"Title:"<<title<<endl;
+        cout<<"Author:"<<author<<endl;
+        cout<<"Year:"<<year<<endl;
+    }
 };
 
 
@@ -48,15 +69,28 @@ int main() {
     const int librarySize = 5;
     Book library[librarySize];
 
-    cout << "Enter details for " << librarySize << " books:" << endl;
+    cout << "Enter details for " << librarySize << " books: " << endl;
     for (int i = 0; i < librarySize; ++i) {
         // TODO: 
+        string title, author;
+        int year;
+        cout<<"Book"<<i + 1<<"title:";
+        getline(cin, title);
+
+        cout<<"Book "<<i + 1<<"author:";
+        getline(cin, author);
+
+        cout<<"Book"<<i + 1<<"year:";
+        cin >> year;
+        library[i]=Book(title, author, year);
     }
 
     cout << endl << "Library Contents:" << endl;
     for (int i = 0; i < librarySize; ++i) {
         cout << "Book " << i + 1 << ":" << endl;
         // TODO:
+        library[i].display();
+        cout << endl;
     }
 
 }

1-CLASSES-OBJECTS-AND-DATA-STRUCTURES/homework/homework-07-bank-account-basics.cpp

@@ -35,7 +35,53 @@ using namespace std;
     Solution 
 */
 class BankAccount {
-}
+private:
+    int accountNumber;
+    double balance;
+    static int accountCount; 
+
+public:
+    BankAccount(int accNumber, double initialBalance=0.0){
+        accountNumber=accNumber;
+        balance=initialBalance;
+        accountCount++;
+        cout<<"BankAccount created. Account Number: "<<accountNumber<<endl;
+    }
+
+    void deposit(double amount){
+        if(amount>0){
+            balance+=amount;
+            cout<<"Deposited "<<amount<<" into account "<<accountNumber<<endl;
+        } 
+        else{
+            cout<<"Error"<<endl;
+        }
+    }
+
+    void withdraw(double amount){
+        if(amount>0 && amount<=balance){
+            balance=balance-amount;
+            cout<<"Withdrew "<<amount<<" from account "<<accountNumber<<endl;
+        } 
+        else{
+            cout<<"Error"<<endl;
+        }
+    }
+
+    double getBalance() const {
+        return balance;
+    }
+
+    ~BankAccount(){
+        accountCount--;
+        cout<<"BankAccount closed. Account Number: "<<accountNumber<<endl;
+        if(accountCount==0){
+            cout<<"All accounts are now closed. Logging system shutdown."<<endl;
+        }
+    }
+};
+
+int BankAccount::accountCount=0;
 
 
 int main() {