Лабораторные 21-30

pom.xml

@@ -30,6 +30,7 @@
         <module>students/23K0135</module>
         <module>students/23K0623</module>
         <module>students/0000001</module>
+        <module>students/23K9006</module>
         <module>students/23K0093</module>
         <module>students/23K0690</module>
         <module>students/23K0120</module>

students/23K9006/23K9006-p01/pom.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <artifactId>23K9006</artifactId>
+        <groupId>ru.mirea.practice</groupId>
+        <version>2024.1</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
+    <artifactId>23K9006-p01</artifactId>
+    <description>Массивы</description>
+</project>

students/23K9006/23K9006-p01/src/main/java/ru/mirea/practice/s0000001/First.java

@@ -0,0 +1,15 @@
+package ru.mirea.practice.s0000001;
+
+public abstract class First {
+    public static void main(String[] args) {
+        int[] numbers = {1, 2, 3, 4, 5};
+        int sum = 0;
+        for (int number : numbers) {
+            sum += number;
+        }
+
+        double average = (double) sum / numbers.length;
+        System.out.println("Elements sum: " + sum);
+        System.out.println("Average: " + average);
+    }
+}

students/23K9006/23K9006-p01/src/main/java/ru/mirea/practice/s0000001/Four.java

@@ -0,0 +1,47 @@
+package ru.mirea.practice.s0000001;
+
+import java.util.Scanner;
+
+public abstract class Four {
+    public static void main(String[] args) {
+        int number;
+        int[] numbers;
+
+        try (Scanner scanner = new Scanner(System.in)) {
+            System.out.println("Введите количество элементов в массиве: ");
+            number = scanner.nextInt();
+            numbers = new int[number];
+
+            System.out.println("Введите элементы массива:");
+            for (int i = 0; i < number; i++) {
+                System.out.print("Элемент " + (i + 1) + ": ");
+                numbers[i] = scanner.nextInt();
+            }
+
+            int sum = 0;
+            int max = numbers[0];
+            int min = numbers[0];
+
+            int i = 0;
+            do {
+                sum += numbers[i];
+                i++;
+            } while (i < number);
+
+            i = 1;
+            while (i < number) {
+                if (numbers[i] > max) {
+                    max = numbers[i];
+                }
+                if (numbers[i] < min) {
+                    min = numbers[i];
+                }
+                i++;
+            }
+
+            System.out.println("Сумма элементов массива: " + sum);
+            System.out.println("Максимальный элемент: " + max);
+            System.out.println("Минимальный элемент: " + min);
+        }
+    }
+}

students/23K9006/23K9006-p01/src/main/java/ru/mirea/practice/s0000001/Second.java

@@ -0,0 +1,23 @@
+package ru.mirea.practice.s0000001;
+
+import java.util.Scanner;
+
+public abstract class Second {
+    public static void main(String[] args) {
+        int num;
+
+        try (Scanner sc = new Scanner(System.in)) {
+            System.out.print("Number of elems: ");
+            num = sc.nextInt();
+            int[] numbers = new int[num];
+            System.out.println(num);
+            for (int i = 0; i < num; i++) {
+                numbers[i] = sc.nextInt();
+            }
+
+            for (int number : numbers) {
+                System.out.print(number + " ");
+            }
+        }
+    }
+}

students/23K9006/23K9006-p01/src/main/java/ru/mirea/practice/s0000001/Third.java

@@ -0,0 +1,19 @@
+package ru.mirea.practice.s0000001;
+
+public abstract class Third {
+    public static void main(String[] args) {
+        int[] numbers = {1, 2, 3, 4, 5};
+
+        int sum = 0;
+        for (int number : numbers) {
+            sum += number;
+        }
+
+
+        double average = (double) sum / numbers.length;
+
+        System.out.println("Сумма элементов массива: " + sum);
+        System.out.println("Среднее арифметическое: " + average);
+    }
+}
+

students/23K9006/23K9006-p02/pom.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <artifactId>23K9006</artifactId>
+        <groupId>ru.mirea.practice</groupId>
+        <version>2024.1</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
+    <artifactId>23K9006-p02</artifactId>
+    <description>Второе задание</description>
+</project>

students/23K9006/23K9006-p02/src/main/java/ru/mirea/practice/s0000001/1/Author.java

@@ -0,0 +1,34 @@
+package ru.mirea.practice.s0000001;
+
+public class Author {
+    private String name;
+    private String email;
+    private char gender;
+
+    public Author(String name, String email, char gender) {
+        this.name = name;
+        this.email = email;
+        this.gender = gender;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public String getEmail() {
+        return email;
+    }
+
+    public void setEmail(String email) {
+        this.email = email;
+    }
+
+    public char getGender() {
+        return gender;
+    }
+
+    @Override
+    public String toString() {
+        return "Author[name=" + name + ", email=" + email + ", gender=" + gender + "]";
+    }
+}

students/23K9006/23K9006-p02/src/main/java/ru/mirea/practice/s0000001/1/TestAuthor.java

@@ -0,0 +1,16 @@
+package ru.mirea.practice.s0000001;
+
+public abstract class TestAuthor {
+    public static void main(String[] args) {
+        Author author = new Author("John Doe", "john.doe@example.com", 'M');
+
+        System.out.println("Имя автора: " + author.getName());
+        System.out.println("Email автора: " + author.getEmail());
+        System.out.println("Пол автора: " + author.getGender());
+
+        author.setEmail("john.newemail@example.com");
+        System.out.println("Новый email автора: " + author.getEmail());
+
+        System.out.println(author.toString());
+    }
+}

students/23K9006/23K9006-p03/pom.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <artifactId>23K9006</artifactId>
+        <groupId>ru.mirea.practice</groupId>
+        <version>2024.1</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
+    <artifactId>23K9006-p03</artifactId>
+    <description>Третье задание</description>
+</project>

students/23K9006/23K9006-p03/src/main/java/ru/mirea/practice/s0000001/First.java

@@ -0,0 +1,40 @@
+package ru.mirea.practice.s0000001;
+
+import java.util.Arrays;
+import java.util.Random;
+
+public abstract class First {
+
+    public static void main(String[] args) {
+        int arraySize = 10;
+
+        double[] mathRandomArray = new double[arraySize];
+
+        for (int i = 0; i < arraySize; i++) {
+            mathRandomArray[i] = Math.random();
+        }
+
+        System.out.println("Массив, сгенерированный с использованием Math.random():");
+        System.out.println(Arrays.toString(mathRandomArray));
+
+        Arrays.sort(mathRandomArray);
+
+        System.out.println("Отсортированный массив:");
+        System.out.println(Arrays.toString(mathRandomArray));
+
+        double[] randomArray = new double[arraySize];
+        Random random = new Random();
+
+        for (int i = 0; i < arraySize; i++) {
+            randomArray[i] = random.nextDouble();
+        }
+
+        System.out.println("\nМассив, сгенерированный с использованием Random:");
+        System.out.println(Arrays.toString(randomArray));
+
+        Arrays.sort(randomArray);
+
+        System.out.println("Отсортированный массив:");
+        System.out.println(Arrays.toString(randomArray));
+    }
+}

students/23K9006/23K9006-p03/src/main/java/ru/mirea/practice/s0000001/Four.java

@@ -0,0 +1,36 @@
+package ru.mirea.practice.s0000001;
+
+public abstract class Four {
+
+    public static void main(String[] args) {
+
+        Double doubleObject1 = Double.valueOf(3.14);
+        Double doubleObject2 = Double.valueOf("2.718");
+
+        System.out.println("Значение doubleObject1: " + doubleObject1);
+        System.out.println("Значение doubleObject2: " + doubleObject2);
+
+        String stringValue = "123.456";
+        double primitiveDouble = Double.parseDouble(stringValue);
+        System.out.println("Преобразованное значение из строки: " + primitiveDouble);
+
+        double primitiveDoubleValue = doubleObject1.doubleValue();
+        float primitiveFloatValue = doubleObject1.floatValue();
+        int primitiveIntValue = doubleObject1.intValue();
+        long primitiveLongValue = doubleObject1.longValue();
+        short primitiveShortValue = doubleObject1.shortValue();
+        byte primitiveByteValue = doubleObject1.byteValue();
+
+        System.out.println("Преобразование к типу double: " + primitiveDoubleValue);
+        System.out.println("Преобразование к типу float: " + primitiveFloatValue);
+        System.out.println("Преобразование к типу int: " + primitiveIntValue);
+        System.out.println("Преобразование к типу long: " + primitiveLongValue);
+        System.out.println("Преобразование к типу short: " + primitiveShortValue);
+        System.out.println("Преобразование к типу byte: " + primitiveByteValue);
+
+        System.out.println("Значение doubleObject1 (из задания 1): " + doubleObject1);
+
+        String d = Double.toString(3.14);
+        System.out.println("Преобразованный литерал double к строке: " + d);
+    }
+}

students/23K9006/23K9006-p03/src/main/java/ru/mirea/practice/s0000001/Third.java

@@ -0,0 +1,35 @@
+package ru.mirea.practice.s0000001;
+
+import java.util.Random;
+
+public abstract class Third {
+
+    public static void main(String[] args) {
+        int[] numbers = new int[4];
+        Random random = new Random();
+
+        for (int i = 0; i < numbers.length; i++) {
+            numbers[i] = 10 + random.nextInt(90);
+        }
+
+        System.out.print("Массив: ");
+        for (int num : numbers) {
+            System.out.print(num + " ");
+        }
+        System.out.println();
+
+        boolean isIncreasing = true;
+        for (int i = 1; i < numbers.length; i++) {
+            if (numbers[i] <= numbers[i - 1]) {
+                isIncreasing = false;
+                break;
+            }
+        }
+
+        if (isIncreasing) {
+            System.out.println("Массив является строго возрастающей последовательностью.");
+        } else {
+            System.out.println("Массив не является строго возрастающей последовательностью.");
+        }
+    }
+}

students/23K9006/23K9006-p04/pom.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <artifactId>23K9006</artifactId>
+        <groupId>ru.mirea.practice</groupId>
+        <version>2024.1</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
+    <artifactId>23K9006-p04</artifactId>
+    <description>Четвертое задание</description>
+</project>

students/23K9006/23K9006-p04/src/main/java/ru/mirea/practice/s0000001/Atelier.java

@@ -0,0 +1,35 @@
+package ru.mirea.practice.s0000001;
+
+public class Atelier {
+
+    public void dressWomen(Clothes[] clothes) {
+        System.out.println("Женская одежда:");
+        for (Clothes item : clothes) {
+            if (item instanceof WomenClothing) {
+                ((WomenClothing) item).dressWomen();
+            }
+        }
+    }
+
+    public void dressMan(Clothes[] clothes) {
+        System.out.println("Мужская одежда:");
+        for (Clothes item : clothes) {
+            if (item instanceof MenClothing) {
+                ((MenClothing) item).dressMan();
+            }
+        }
+    }
+
+    public static void main(String[] args) {
+        Clothes[] clothesArray = {
+            new TShirt(Size.M, 25.99, "красный"),
+            new Pants(Size.L, 45.99, "синий"),
+            new Skirt(Size.S, 29.99, "черный"),
+            new Tie(Size.M, 15.99, "зеленый")
+        };
+
+        Atelier atelier = new Atelier();
+        atelier.dressWomen(clothesArray);
+        atelier.dressMan(clothesArray);
+    }
+}

students/23K9006/23K9006-p04/src/main/java/ru/mirea/practice/s0000001/Clothes.java

@@ -0,0 +1,25 @@
+package ru.mirea.practice.s0000001;
+
+public abstract class Clothes {
+    private Size size;
+    private double price;
+    private String color;
+
+    public Clothes(Size size, double price, String color) {
+        this.size = size;
+        this.price = price;
+        this.color = color;
+    }
+
+    public Size getSize() {
+        return size;
+    }
+
+    public double getPrice() {
+        return price;
+    }
+
+    public String getColor() {
+        return color;
+    }
+}