diff --git a/out/production/JavaCore/homeworks/homework01/Fahrenheit.class b/out/production/JavaCore/homeworks/homework01/Fahrenheit.class
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index 0000000..867477c
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diff --git a/out/production/JavaCore/homeworks/homework01/Task2.class b/out/production/JavaCore/homeworks/homework01/Task2.class
new file mode 100644
index 0000000..b35daed
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diff --git a/out/production/JavaCore/homeworks/homework02/Task2.class b/out/production/JavaCore/homeworks/homework02/Task2.class
new file mode 100644
index 0000000..81107c9
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diff --git a/out/production/JavaCore/homeworks/homework02/Task3.class b/out/production/JavaCore/homeworks/homework02/Task3.class
new file mode 100644
index 0000000..00b9c18
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diff --git a/out/production/JavaCore/homeworks/homework07/App.class b/out/production/JavaCore/homeworks/homework07/App.class
new file mode 100644
index 0000000..50f43b0
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diff --git a/out/production/JavaCore/homeworks/homework07/DiscountProduct.class b/out/production/JavaCore/homeworks/homework07/DiscountProduct.class
new file mode 100644
index 0000000..19b03e0
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diff --git a/out/production/JavaCore/homeworks/homework07/Person.class b/out/production/JavaCore/homeworks/homework07/Person.class
new file mode 100644
index 0000000..1581cbc
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diff --git a/out/production/JavaCore/homeworks/homework07/Product.class b/out/production/JavaCore/homeworks/homework07/Product.class
new file mode 100644
index 0000000..61fcb11
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diff --git a/out/production/JavaCore/homeworks/homework08/App.class b/out/production/JavaCore/homeworks/homework08/App.class
new file mode 100644
index 0000000..2103056
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diff --git a/out/production/JavaCore/homeworks/homework08/Person.class b/out/production/JavaCore/homeworks/homework08/Person.class
new file mode 100644
index 0000000..8b737d7
Binary files /dev/null and b/out/production/JavaCore/homeworks/homework08/Person.class differ
diff --git a/out/production/JavaCore/homeworks/homework08/Product.class b/out/production/JavaCore/homeworks/homework08/Product.class
new file mode 100644
index 0000000..69d5714
Binary files /dev/null and b/out/production/JavaCore/homeworks/homework08/Product.class differ
diff --git a/output.txt b/output.txt
new file mode 100644
index 0000000..e69de29
diff --git a/src/main/java/homeworks/homework01/Fahrenheit.java b/src/main/java/homeworks/homework01/Fahrenheit.java
new file mode 100644
index 0000000..19af621
--- /dev/null
+++ b/src/main/java/homeworks/homework01/Fahrenheit.java
@@ -0,0 +1,12 @@
+package homeworks.homework01;
+
+public class Fahrenheit {
+        public static void main(String[] args) {
+            double fahrenheit = 212.0;
+            double celsius = (fahrenheit - 32) * 5/9; {
+
+                System.out.println(fahrenheit + " "+"градусов" + " " +"по Фаренгейту"+" равна"+ " "+ celsius + " по Цельсию");
+            }
+        }
+    }
+
diff --git a/src/main/java/homeworks/homework03/App.java b/src/main/java/homeworks/homework03/App.java
new file mode 100644
index 0000000..69cf7e7
--- /dev/null
+++ b/src/main/java/homeworks/homework03/App.java
@@ -0,0 +1,47 @@
+package homeworks.homework03;
+
+import java.util.Random;
+import java.util.Scanner;
+
+public class App {
+        public static void main(String[] args) {
+            Scanner scanner = new Scanner(System.in);
+            Random random = new Random();
+
+            //  объект Television с случайными параметрами
+            Television tv = createTelevision(scanner, random);
+
+            System.out.println("Созданный телевизор: " + tv);
+
+            // Изменение параметров телевизора
+            tv.setColor("Silver");
+            tv.setMark("LG");
+            tv.setVolt(110);
+
+            System.out.println("Обновленный телевизор: " + tv);
+
+            Television tv1 = createTelevision(scanner, random);
+            Television tv2 = createTelevision(scanner, random);
+            Television tv3 = createTelevision(scanner, random);
+
+            System.out.println("Созданный телевизор 1: " + tv1);
+            System.out.println("Созданный телевизор 2: " + tv2);
+            System.out.println("Созданный телевизор 3: " + tv3);
+
+        }
+
+        public static Television createTelevision(Scanner scanner, Random random) {
+
+            System.out.print("Введите цвет телевизора: ");
+            String color = scanner.nextLine();
+
+            System.out.print("Введите марку телевизора: ");
+            String mark = scanner.nextLine();
+
+            // Генерация случайного напряжения от 100 до 240
+            Integer volt = random.nextInt(141) + 100;
+
+            // экземпляр телевизора
+            return new Television (color, mark, volt);
+        }
+    }
diff --git a/src/main/java/homeworks/homework03/Television.java b/src/main/java/homeworks/homework03/Television.java
new file mode 100644
index 0000000..3e97b6c
--- /dev/null
+++ b/src/main/java/homeworks/homework03/Television.java
@@ -0,0 +1,47 @@
+package homeworks.homework03;
+
+public class Television {
+        public static void main(String[] args) {
+        }
+
+        private Integer volt; // Напряжение
+        private String color; // Цвет
+        private String mark;  // Марка
+
+        // Конструктор по умолчанию
+        public Television () {
+            this.color = "Black";
+            this.mark = "LG";
+            this.volt = 240;
+        }
+
+        // Конструктор с параметрами
+        public Television(String color, String mark, Integer volt ) {
+            this.color = color;
+            this.mark = mark;
+            this.volt = volt;
+
+        }
+
+        // Методы-сеттеры
+        public void setColor(String color) {
+            this.color = color;
+        }
+
+        public void setMark(String mark) {
+            this.mark = mark;
+        }
+
+        public void setVolt(Integer volt) {
+            this.volt = volt;
+        }
+
+        @Override
+        public String toString() {
+            return "Television{" +
+                    "volt=" + volt +
+                    ", color='" + color + '\'' +
+                    ", mark='" + mark + '\'' +
+                    '}';
+        }
+    }
\ No newline at end of file
diff --git a/src/main/java/homeworks/homework04/Alfavit.java b/src/main/java/homeworks/homework04/Alfavit.java
new file mode 100644
index 0000000..0c89589
--- /dev/null
+++ b/src/main/java/homeworks/homework04/Alfavit.java
@@ -0,0 +1,25 @@
+package homeworks.homework04;
+
+import java.util.Scanner;
+
+    public class Alfavit {
+        public static void main(String[] args) {
+            String alphabet = "qwertyuiopasdfghjklzxcvbnm";
+            Scanner scanner = new Scanner(System.in);
+            System.out.print("Введите маленькую букву английского алфавита: ");
+            char inputChar = scanner.next().charAt(0);
+
+            // маленькая буква
+            if (alphabet.indexOf(inputChar) == -1) {
+                System.out.println("введите маленькую букву английского алфавита.");
+            } else {
+                int index = alphabet.indexOf(inputChar);
+                // замкнутость
+                int leftIndex = (index - 1 + alphabet.length()) % alphabet.length();
+                // Получаем букву слева
+                char leftChar = alphabet.charAt(leftIndex);
+                System.out.println("Буква слева: " + leftChar);
+            }
+        }
+    }
+    
diff --git a/src/main/java/homeworks/homework04/Arrows.java b/src/main/java/homeworks/homework04/Arrows.java
new file mode 100644
index 0000000..a171c8a
--- /dev/null
+++ b/src/main/java/homeworks/homework04/Arrows.java
@@ -0,0 +1,26 @@
+package homeworks.homework04;
+
+import java.util.Scanner;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+    public class Arrows {
+        public static void main(String[] args) {
+            Scanner scanner = new Scanner(System.in);
+            System.out.println("Введите строку со стрелами: ");
+            String input = scanner.nextLine();
+
+            Pattern pattern = Pattern.compile(">>-->|<--<<");
+
+
+            Matcher matcher = pattern.matcher(input);
+
+            int counter = 0;
+
+            while (matcher.find()) {
+                counter++;
+            }
+            System.out.println("Количество найденных стрел: " + counter);
+        }
+    }
+
diff --git a/src/main/java/homeworks/homework06/java/App.java b/src/main/java/homeworks/homework06/java/App.java
new file mode 100644
index 0000000..a3f2dc4
--- /dev/null
+++ b/src/main/java/homeworks/homework06/java/App.java
@@ -0,0 +1,170 @@
+package homeworks.homework06.java;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Scanner;
+
+class Product {
+    private String name;
+    private double price;
+
+    public Product(String name, double price) {
+        if (name == null || name.trim().isEmpty()) {
+            throw new IllegalArgumentException("Название продукта не может быть пустым");
+        }
+        if (price < 0) {
+            throw new IllegalArgumentException("Стоимость продукта не может быть отрицательной");
+        }
+        this.name = name;
+        this.price = price;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public double getPrice() {
+        return price;
+    }
+
+    @Override
+    public String toString() {
+        return name + " (Цена: " + price + " рублей)";
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) return true;
+        if (obj == null || getClass() != obj.getClass()) return false;
+        Product product = (Product) obj;
+        return Double.compare(product.price, price) == 0 && name.equals(product.name);
+    }
+
+    @Override
+    public int hashCode() {
+        return 31 * name.hashCode() + Double.hashCode(price);
+    }
+}
+
+class Person {
+    private String name;
+    private double money;
+    private List<Product> basket;
+
+    public Person(String name, double money) {
+        if (name == null || name.trim().isEmpty()) {
+            throw new IllegalArgumentException("Имя не может быть пустым");
+        }
+        if (money < 0) {
+            throw new IllegalArgumentException("Деньги не могут быть отрицательными");
+        }
+        this.name = name;
+        this.money = money;
+        this.basket = new ArrayList<>();
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public double getMoney() {
+        return money;
+    }
+
+    public List<Product> getBasket() {
+        return basket;
+    }
+
+    public boolean buyProduct(Product product) {
+        if (product.getPrice() <= money) {
+            basket.add(product);
+            money -= product.getPrice();
+            System.out.println(name + " купил " + product.getName());
+            return true;
+        } else {
+            System.out.println(name + " не может позволить себе " + product.getName());
+            return false;
+        }
+    }
+
+    @Override
+    public String toString() {
+        return name + (basket.isEmpty() ? " - Ничего не куплено" : " - " + basket);
+    }
+}
+
+public class App {
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+        List<Person> customers = new ArrayList<>();
+        List<Product> products = new ArrayList<>();
+
+        customers.add(new Person("Павел Андреевич", 10000));
+        customers.add(new Person("Анна Петровна", 2000));
+        customers.add(new Person("Борис", 10));
+
+        products.add(new Product("Хлеб", 40));
+        products.add(new Product("Молоко", 60));
+        products.add(new Product("Торт", 1000));
+        products.add(new Product("Кофе растворимый", 879));
+        products.add(new Product("Масло", 150));
+
+        // Процесс выбора продуктов
+        int currentCustomerIndex = 0;
+
+        while (true) {
+            Person currentCustomer = customers.get(currentCustomerIndex);
+            System.out.println(currentCustomer.getName() + ", выберите продукт (или введите 'END' для завершения):");
+            for (Product product : products) {
+                System.out.println(product);
+            }
+
+            String input = scanner.nextLine();
+            if (input.equalsIgnoreCase("END")) {
+                break;
+            }
+
+            // Найти выбранный продукт
+            boolean productFound = false;
+            for (Product product : products) {
+                if (product.getName().equalsIgnoreCase(input)) {
+                    currentCustomer.buyProduct(product);
+                    productFound = true;
+                    break;
+                }
+            }
+
+            if (!productFound) {
+                System.out.println("Продукт не найден. Попробуйте снова.");
+            }
+// Переход к следующему покупателю
+            currentCustomerIndex = (currentCustomerIndex + 1) % customers.size();
+        }
+
+        // Вывод содержимого пакета для каждого покупателя
+        for (Person customer : customers) {
+            System.out.println(customer);
+        }
+
+        // Обработка случаев
+        testAdditionalCases(scanner);
+    }
+
+    private static void testAdditionalCases(Scanner scanner) {
+        // Тестовые случаи
+        try {
+            Person zhenya = new Person("Женя", 0);
+            Product iceCream = new Product("Мороженое", 200);
+            zhenya.buyProduct(iceCream);
+        } catch (IllegalArgumentException e) {
+            System.out.println(e.getMessage());
+        }
+
+        try {
+            Person sveta = new Person("Света", -3);
+            Product pasta = new Product("Макароны", 800);
+            sveta.buyProduct(pasta);
+        } catch (IllegalArgumentException e) {
+            System.out.println(e.getMessage());
+        }
+    }
+}
diff --git a/src/main/java/homeworks/homework07/App.java b/src/main/java/homeworks/homework07/App.java
new file mode 100644
index 0000000..22bee84
--- /dev/null
+++ b/src/main/java/homeworks/homework07/App.java
@@ -0,0 +1,228 @@
+package homeworks.homework07;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Scanner;
+import java.time.LocalDate;
+
+class Product {
+    private String name;
+    private double price;
+
+    public Product(String name, double price) {
+        if (name == null || name.trim().isEmpty() || name.matches("\\d+") || name.length() < 3) {
+            throw new IllegalArgumentException("Недопустимое имя продукта!");
+        }
+        if (price <= 0) {
+            throw new IllegalArgumentException("Стоимость продукта должна быть положительной!");
+        }
+        this.name = name;
+        this.price = price;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public double getPrice() {
+        return price;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) return true;
+        if (obj == null || getClass() != obj.getClass()) return false;
+        Product product = (Product) obj;
+        return Double.compare(product.price, price) == 0 && name.equals(product.name);
+    }
+
+    @Override
+    public String toString() {
+        return "Product{" +
+                "name='" + name + '\'' +
+                ", price=" + price +
+                '}';
+    }
+
+    @Override
+    public int hashCode() {
+        return 31 * name.hashCode() + Double.hashCode(price);
+    }
+}
+
+class DiscountProduct extends Product {
+    private double discount; // Размер скидки
+    private LocalDate expirationDate; // Срок действия скидки
+
+    public DiscountProduct(String name, double price, double discount, LocalDate expirationDate) {
+        super(name, price);
+        if (discount <= 0 || discount >= price) {
+            throw new IllegalArgumentException("Скидка должна быть положительной и меньше цены продукта.");
+        }
+        this.discount = discount;
+        this.expirationDate = expirationDate;
+    }
+
+    @Override
+    public double getPrice() {
+        if (LocalDate.now().isAfter(expirationDate)) {
+            return super.getPrice(); // Возвращаем обычную цену, если срок действия скидки истек
+        }
+        return super.getPrice() - discount; // Возвращаем цену со скидкой
+    }
+
+    @Override
+    public String toString() {
+        return super.toString() + " (Скидка: " + discount + " рублей, Срок действия: " + expirationDate + ")";
+    }
+}
+
+class Person {
+    private String name;
+    private double money;
+    private List<Product> basket;
+
+    public Person(String name, double money) {
+        if (name == null || name.trim().isEmpty()) {
+            throw new IllegalArgumentException("Имя не может быть пустым");
+        }
+        if (money < 0) {
+            throw new IllegalArgumentException("Деньги не могут быть отрицательными");
+        }
+        this.name = name;
+        this.money = money;
+        this.basket = new ArrayList<>();
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public double getMoney() {
+        return money;
+    }
+
+    public List<Product> getBasket() {
+        return basket;
+    }
+
+    public boolean buyProduct(Product product) {
+        if (product.getPrice() <= money) {
+            basket.add(product);
+            money -= product.getPrice();
+            System.out.println(name + " купил " + product.getName());
+            return true;
+        } else {
+            System.out.println(name + " не может позволить себе " + product.getName());
+            return false;
+        }
+    }
+
+    @Override
+    public String toString() {
+        return name + (basket.isEmpty() ? " - Ничего не куплено" : " - " + basket);
+    }
+}
+
+public class App {
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+        List<Person> customers = new ArrayList<>();
+        List<Product> products = new ArrayList<>();
+
+        customers.add(new Person("Павел Андреевич", 10000));
+        customers.add(new Person("Анна Петровна", 2000));
+        customers.add(new Person("Борис", 10));
+
+        products.add(new Product("Хлеб", 40));
+        products.add(new Product("Молоко", 60));
+        products.add(new DiscountProduct("Торт", 1000, 200, LocalDate.now().plusDays(5))); // Скидка 200
+        products.add(new DiscountProduct("Кофе растворимый", 879, 432, LocalDate.now().plusDays(3))); // Скидка 432
+        products.add(new Product("Масло", 150));
+
+        // Процесс выбора продуктов
+        int currentCustomerIndex = 0;
+
+        while (true) {
+            Person currentCustomer = customers.get(currentCustomerIndex);
+            System.out.println(currentCustomer.getName() + ", выберите продукт (или введите 'END' для завершения):");
+            for (Product product : products) {
+                System.out.println(product);
+            }
+
+            String input = scanner.nextLine();
+            if (input.equalsIgnoreCase("END")) {
+                break;
+            }
+
+            // Найти выбранный продукт
+            boolean productFound = false;
+            for (Product product : products) {
+                if (product.getName().equalsIgnoreCase(input)) {
+                    currentCustomer.buyProduct(product);
+                    productFound = true;
+                    break;
+                }
+            }
+
+            if (!productFound) {
+                System.out.println("Продукт не найден. Попробуйте снова.");
+            }
+
+            // Переход к следующему покупателю
+            currentCustomerIndex = (currentCustomerIndex + 1) % customers.size();
+        }
+
+        // Вывод содержимого пакета для каждого покупателя
+        for (Person customer : customers) {
+            System.out.println(customer);
+        }
+
+        // Обработка случаев
+        testAdditionalCases(scanner);
+    }
+
+    private static void testAdditionalCases(Scanner scanner) {
+        // Тестовые случаи
+        try {
+            Person zhenya = new Person("Женя", 0);
+            Product iceCream = new Product("Мороженое", 200);
+            zhenya.buyProduct(iceCream);
+        } catch (IllegalArgumentException e) {
+            System.out.println(e.getMessage());
+        }
+
+        try {
+            Person sveta = new Person("Света", -3);
+            Product pasta = new Product("Макароны", 800);
+            sveta.buyProduct(pasta);
+        } catch (IllegalArgumentException e) {
+            System.out.println(e.getMessage());
+        }
+
+        // Тестирование недопустимых имен и цен
+        try {
+            Product invalidProduct1 = new Product("88", 100);
+        } catch (IllegalArgumentException e) {
+            System.out.println(e.getMessage()); // Недопустимое имя продукта!
+        }
+
+        try {
+            Product invalidProduct2 = new Product("Т", 100);
+        } catch (IllegalArgumentException e) {
+            System.out.println(e.getMessage()); // Недопустимое имя продукта!
+        }
+
+        try {
+            Product invalidProduct3 = new Product("Шоколадка", -1);
+        } catch (IllegalArgumentException e) {
+            System.out.println(e.getMessage()); // Стоимость продукта должна быть положительной!
+        }
+
+        try {
+            DiscountProduct invalidDiscountProduct = new DiscountProduct("Чипсы", 100, 150, LocalDate.now().plusDays(5));
+        } catch (IllegalArgumentException e) {
+            System.out.println(e.getMessage()); // Скидка должна быть положительной и меньше цены продукта.
+        }
+    }
+}
diff --git a/src/main/java/homeworks/homework08/App.java b/src/main/java/homeworks/homework08/App.java
new file mode 100644
index 0000000..3dd9923
--- /dev/null
+++ b/src/main/java/homeworks/homework08/App.java
@@ -0,0 +1,164 @@
+package homeworks.homework08;
+
+
+import java.io.BufferedReader;
+import java.io.BufferedWriter;
+import java.io.FileReader;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+class Product {
+    private String name;
+    private double price;
+
+    public Product(String name, double price) {
+        if (name == null || name.trim().isEmpty()) {
+            throw new IllegalArgumentException("Название продукта не может быть пустым");
+        }
+        if (price < 0) {
+            throw new IllegalArgumentException("Стоимость продукта не может быть отрицательной");
+        }
+        this.name = name;
+        this.price = price;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public double getPrice() {
+        return price;
+    }
+}
+
+class Person {
+    private String name;
+    private double money;
+    private List<Product> basket;
+
+    public Person(String name, double money) {
+        if (name == null || name.trim().isEmpty()) {
+            throw new IllegalArgumentException("Имя не может быть пустым");
+        }
+        if (money < 0) {
+            throw new IllegalArgumentException("Деньги не могут быть отрицательными");
+        }
+        this.name = name;
+        this.money = money;
+        this.basket = new ArrayList<>();
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public double getMoney() {
+        return money;
+    }
+
+    public List<Product> getBasket() {
+        return basket;
+    }
+
+    public boolean buyProduct(Product product) {
+        if (product.getPrice() <= money) {
+            basket.add(product);
+            money -= product.getPrice();
+            return true;
+        } else {
+            return false;
+        }
+    }
+
+    @Override
+    public String toString() {
+        if (basket.isEmpty()) {
+            return name + " - Ничего не куплено";
+        }
+        StringBuilder result = new StringBuilder(name + " - ");
+        for (Product product : basket) {
+            result.append(product.getName()).append(", ");
+        }
+        return result.substring(0, result.length() - 2);
+    }
+}
+
+public class App {
+    public static void main(String[] args) {
+        List<Person> customers = new ArrayList<>();
+        List<Product> products = new ArrayList<>();
+        List<String> outputMessages = new ArrayList<>();
+
+        // Считывание данных из файла с использованием BufferedReader
+        try (BufferedReader br = new BufferedReader(new FileReader("data.txt"))) {
+            // Считывание покупателей
+            String line = br.readLine();
+            String[] customerData = line.split("; ");
+            for (String data : customerData) {
+                String[] parts = data.split(" = ");
+                String name = parts[0];
+                double money = Double.parseDouble(parts[1]);
+                customers.add(new Person(name, money));
+            }
+
+            // Считывание продуктов
+            line = br.readLine();
+            String[] productData = line.split("; ");
+            for (String data : productData) {
+                String[] parts = data.split(" = ");
+                String name = parts[0];
+                double price = Double.parseDouble(parts[1]);
+                products.add(new Product(name, price));
+            }
+
+            // Считывание покупок
+            while ((line = br.readLine()) != null) {
+                if (line.equals("END")) {
+                    break;
+                }
+                String[] parts = line.split(" ");
+                String customerName = parts[0];
+                String productName = parts[1];
+
+                // Поиск покупателя и продукта
+                Person customer = customers.stream()
+                        .filter(c -> c.getName().equals(customerName))
+                        .findFirst()
+                        .orElse(null);
+                Product product = products.stream()
+                        .filter(p -> p.getName().equals(productName))
+                        .findFirst()
+                        .orElse(null);
+
+                // Пытаемся купить продукт
+                if (customer != null && product != null) {
+                    boolean success = customer.buyProduct(product);
+                    if (success) {
+                        outputMessages.add(customerName + " купил " + productName);
+                    } else {
+                        outputMessages.add(customerName + " не может позволить себе " + productName);
+                    }
+                }
+            }
+        } catch (IOException e) {
+            System.out.println("Ошибка при чтении файла: " + e.getMessage());
+        }
+
+        // Вывод результатов в файл
+        try (BufferedWriter bw = new BufferedWriter(new FileWriter("output.txt"))) {
+            for (String message : outputMessages) {
+                bw.write(message);
+                bw.newLine();
+            }
+            for (Person customer : customers) {
+                bw.write(customer.toString());
+                bw.newLine();
+            }
+        } catch (IOException e) {
+            System.out.println("Ошибка при записи в файл: " + e.getMessage());
+        }
+    }
+}
+