лабораторная№16 18

students/23K0565/23K0565-p--/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         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>23K0565</artifactId>
+        <groupId>ru.mirea.practice</groupId>
+        <version>2024.1</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
+    <artifactId>23K0565-p12</artifactId>
+    <description>12 практическая</description>
+</project>

students/23K0565/23K0565-p11/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         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>23K0565</artifactId>
+        <groupId>ru.mirea.practice</groupId>
+        <version>2024.1</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
+    <artifactId>23K0565-p11</artifactId>
+    <description>11 практическая</description>
+</project>

students/23K0565/23K0565-p11/src/main/java/ru/mirea/practice/s0000001/n1/Fam.java

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+package ru.mirea.practice.s0000001.n1;
+
+import java.util.Date;
+
+public final class Fam {
+    private Fam() {}
+
+    public static void main(String[] args) {
+        String fam = "Самохин";
+        Date datPoluch = new Date();
+
+        System.out.println("Разработчик: " + fam);
+        System.out.println("Дата и время получения задания: " + datPoluch);
+
+        Date datSdacha = new Date();
+        System.out.println("Дата и время сдачи задания: " + datSdacha);
+    }
+}

students/23K0565/23K0565-p11/src/main/java/ru/mirea/practice/s0000001/n2/DateCompare.java

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+package ru.mirea.practice.s0000001.n2;
+
+import java.util.Date;
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.Scanner;
+
+public final class DateCompare {
+    private DateCompare() {}
+
+    public static void main(String[] args) {
+        try (Scanner scn = new Scanner(System.in)) {
+            System.out.print("Введите дату в формате ГГГГ-ММ-ДД: ");
+            String userDateStr = scn.nextLine();
+
+            SimpleDateFormat fmt = new SimpleDateFormat("yyyy-MM-dd");
+            try {
+                Date userDate = fmt.parse(userDateStr);
+                Date currDate = new Date();
+
+                if (userDate.equals(currDate)) {
+                    System.out.println("Даты совпадают");
+                } else if (userDate.before(currDate)) {
+                    System.out.println("Введённая дата раньше текущей");
+                } else {
+                    System.out.println("Введённая дата позже текущей");
+                }
+            } catch (ParseException e) {
+                System.out.println("Неверный формат даты");
+            }
+        }
+    }
+}

students/23K0565/23K0565-p11/src/main/java/ru/mirea/practice/s0000001/n3/Student.java

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+package ru.mirea.practice.s0000001.n3;
+
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
+public class Student {
+    private String firstName;
+    private String lastName;
+    private String specialty;
+    private int course;
+    private String group;
+    private Date birthDate;
+
+    public Student(String firstName, String lastName, String specialty, int course, String group, Date birthDate) {
+        this.firstName = firstName;
+        this.lastName = lastName;
+        this.specialty = specialty;
+        this.course = course;
+        this.group = group;
+        this.birthDate = birthDate;
+    }
+
+    public Date getBirthDate() {
+        return birthDate;
+    }
+
+    public void setBirthDate(Date birthDate) {
+        this.birthDate = birthDate;
+    }
+
+    @Override
+    public String toString() {
+        SimpleDateFormat shortFmt = new SimpleDateFormat("dd.MM.yy");
+        SimpleDateFormat mediumFmt = new SimpleDateFormat("dd MMM yyyy");
+        SimpleDateFormat longFmt = new SimpleDateFormat("EEEE, dd MMMM yyyy");
+
+        return "Имя: " + firstName + " " + lastName + "\n"
+            + "Специальность: " + specialty + "\n"
+            + "Курс: " + course + "\n"
+            + "Группа: " + group + "\n"
+            + "Дата рождения (короткий формат): "
+            + shortFmt.format(birthDate) + "\n"
+            + "Дата рождения (средний формат): "
+            + mediumFmt.format(birthDate) + "\n"
+            + "Дата рождения (полный формат): "
+            + longFmt.format(birthDate);
+    }
+
+    public static void main(String[] args) {
+        Date birth = new Date(05, 6, 11);
+        Student stud = new Student("Михаил", "Самохин", "Авт", 2, "КАБО-02-23", birth);
+        System.out.println(stud);
+    }
+}

students/23K0565/23K0565-p11/src/main/java/ru/mirea/practice/s0000001/n4/DateTimeInput.java

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+package ru.mirea.practice.s0000001.n4;
+
+import java.util.Calendar;
+import java.util.Date;
+import java.util.Scanner;
+
+public final class DateTimeInput {
+    private DateTimeInput() {}
+
+    public static void main(String[] args) {
+        try (Scanner scn = new Scanner(System.in)) {
+            System.out.print("Введите год: ");
+            final int year = scn.nextInt();
+
+            System.out.print("Введите месяц (1-12): ");
+            final int month = scn.nextInt() - 1;
+
+            System.out.print("Введите число: ");
+            final int day = scn.nextInt();
+
+            System.out.print("Введите часы: ");
+            final int hour = scn.nextInt();
+
+            System.out.print("Введите минуты: ");
+            final int minute = scn.nextInt();
+
+            Calendar cal = Calendar.getInstance();
+            cal.set(year, month, day, hour, minute);
+            Date date = cal.getTime();
+
+            System.out.println("Созданная дата (Date): " + date);
+            System.out.println("Созданная дата (Calendar): " + cal.getTime());
+        }
+    }
+}

students/23K0565/23K0565-p11/src/main/java/ru/mirea/practice/s0000001/n5/ListP.java

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+package ru.mirea.practice.s0000001.n5;
+
+import java.util.ArrayList;
+import java.util.LinkedList;
+import java.util.List;
+
+public final class ListP {
+    private ListP() {}
+
+    public static void main(String[] args) {
+        List<Integer> arrayList = new ArrayList<>();
+        List<Integer> linkedList = new LinkedList<>();
+
+        final int elementsCount = 100000;
+
+        for (int i = 0; i < elementsCount; i++) {
+            arrayList.add(i);
+            linkedList.add(i);
+        }
+
+        System.out.println("Вставка в середину:");
+        measureTime(() -> arrayList.add(elementsCount / 2, -1), "ArrayList");
+        measureTime(() -> linkedList.add(elementsCount / 2, -1), "LinkedList");
+
+        System.out.println("Удаление из середины:");
+        measureTime(() -> arrayList.remove(elementsCount / 2), "ArrayList");
+        measureTime(() -> linkedList.remove(elementsCount / 2), "LinkedList");
+
+        System.out.println("Добавление в конец:");
+        measureTime(() -> arrayList.add(-1), "ArrayList");
+        measureTime(() -> linkedList.add(-1), "LinkedList");
+
+        System.out.println("Поиск элемента:");
+        measureTime(() -> arrayList.contains(elementsCount - 1), "ArrayList");
+        measureTime(() -> linkedList.contains(elementsCount - 1), "LinkedList");
+    }
+
+    private static void measureTime(Runnable action, String listType) {
+        long start = System.nanoTime();
+        action.run();
+        long end = System.nanoTime();
+        System.out.println(listType + ": " + (end - start) + " нс");
+    }
+}

students/23K0565/23K0565-p12/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         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>23K0565</artifactId>
+        <groupId>ru.mirea.practice</groupId>
+        <version>2024.1</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
+    <artifactId>23K0565-p12</artifactId>
+    <description>12 практическая</description>
+</project>

students/23K0565/23K0565-p12/src/main/java/ru/mirea/practice/s0000001/n1/Circle.java

@@ -0,0 +1,19 @@
+package ru.mirea.practice.s0000001.n1;
+
+import java.awt.Color;
+import java.awt.Graphics;
+
+public class Circle extends Shape {
+    private int radius;
+
+    public Circle(Color color, int x, int y, int radius) {
+        super(color, x, y);
+        this.radius = radius;
+    }
+
+    @Override
+    public void draw(Graphics g) {
+        g.setColor(color);
+        g.fillOval(x, y, radius, radius);
+    }
+}

students/23K0565/23K0565-p12/src/main/java/ru/mirea/practice/s0000001/n1/Rectangle.java

@@ -0,0 +1,21 @@
+package ru.mirea.practice.s0000001.n1;
+
+import java.awt.Color;
+import java.awt.Graphics;
+
+public class Rectangle extends Shape {
+    private int width;
+    private int height;
+
+    public Rectangle(Color color, int x, int y, int width, int height) {
+        super(color, x, y);
+        this.width = width;
+        this.height = height;
+    }
+
+    @Override
+    public void draw(Graphics g) {
+        g.setColor(color);
+        g.fillRect(x, y, width, height);
+    }
+}

students/23K0565/23K0565-p12/src/main/java/ru/mirea/practice/s0000001/n1/Shape.java

@@ -0,0 +1,18 @@
+package ru.mirea.practice.s0000001.n1;
+
+import java.awt.Color;
+import java.awt.Graphics;
+
+public abstract class Shape {
+    protected Color color;
+    protected int x;
+    protected int y;
+
+    public Shape(Color color, int x, int y) {
+        this.color = color;
+        this.x = x;
+        this.y = y;
+    }
+
+    public abstract void draw(Graphics g);
+}

students/23K0565/23K0565-p12/src/main/java/ru/mirea/practice/s0000001/n1/ShapeWindow.java

@@ -0,0 +1,44 @@
+package ru.mirea.practice.s0000001.n1;
+
+import javax.swing.JFrame;
+import javax.swing.JPanel;
+import java.util.ArrayList;
+import java.util.Random;
+import java.util.List;
+import java.awt.Graphics;
+import java.awt.Color;
+
+public class ShapeWindow extends JPanel {
+    private List<Shape> shapes = new ArrayList<>();
+
+    public ShapeWindow() {
+        Random rand = new Random();
+        for (int i = 0; i < 20; i++) {
+            Color color = new Color(rand.nextInt(256), rand.nextInt(256), rand.nextInt(256));
+            int x = rand.nextInt(400);
+            int y = rand.nextInt(400);
+
+            if (rand.nextBoolean()) {
+                shapes.add(new Circle(color, x, y, rand.nextInt(50) + 10));
+            } else {
+                shapes.add(new Rectangle(color, x, y, rand.nextInt(50) + 10, rand.nextInt(50) + 10));
+            }
+        }
+    }
+
+    @Override
+    protected void paintComponent(Graphics g) {
+        super.paintComponent(g);
+        for (Shape shape : shapes) {
+            shape.draw(g);
+        }
+    }
+
+    public static void main(String[] args) {
+        JFrame frame = new JFrame("Random Shapes");
+        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        frame.setSize(500, 500);
+        frame.add(new ShapeWindow());
+        frame.setVisible(true);
+    }
+}

students/23K0565/23K0565-p12/src/main/java/ru/mirea/practice/s0000001/n2/ImageWindow.java

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+package ru.mirea.practice.s0000001.n2;
+
+import javax.swing.JFrame;
+import java.awt.Image;
+import java.io.File;
+import javax.imageio.ImageIO;
+import java.awt.Graphics;
+import java.io.IOException;
+
+public class ImageWindow extends JFrame {
+    private Image img;
+
+    public ImageWindow(String path) {
+        try {
+            img = ImageIO.read(new File(path));
+        } catch (IOException e) {
+            System.out.println("Ошибка загрузки изображения:( " + e.getMessage());
+            System.exit(1);
+        }
+
+        setTitle("Image_cool_Viewer");
+        setSize(500, 500);
+        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+    }
+
+    @Override
+    public void paint(Graphics g) {
+        super.paint(g);
+        if (img != null) {
+            g.drawImage(img, 0, 0, getWidth(), getHeight(), this);
+        }
+    }
+
+    public static void main(String[] args) {
+        if (args.length == 0) {
+            System.out.println("Пожалуйста, укажите путь к изображению в аргументах командной строки ^_^");
+            System.exit(1);
+        }
+        String imagePath = args[0];
+        ImageWindow window = new ImageWindow(imagePath);
+        window.setVisible(true);
+    }
+}

students/23K0565/23K0565-p13/pom.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         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>23K0565</artifactId>
+        <groupId>ru.mirea.practice</groupId>
+        <version>2024.1</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
+    <artifactId>23K0565-p13</artifactId>
+    <description>13 практическая</description>
+</project>