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Лабораторная 11-20
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‎students/23K0140/23K0140-p11/pom.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<artifactId>23K0140</artifactId>
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<groupId>ru.mirea.practice</groupId>
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<version>2024.1</version>
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<relativePath>../pom.xml</relativePath>
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</parent>
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<artifactId>23K0140-p11</artifactId>
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<description>Лабораторная 11</description>
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</project>

‎students/23K0140/23K0140-p11/src/main/java/ru/mirea/practice/s23k0140/task1/Main.java

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package ru.mirea.practice.s23k0140.task1;
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import java.util.Date;
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public final class Main {
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private Main() {
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}
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public static void main(String[] args) {
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String developerLastName = "Иванов";
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String assignmentReceivedDate = "2024-09-28 10:00:00";
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Date currentDate = new Date();
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System.out.println("Фамилия разработчика: " + developerLastName);
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System.out.println("Дата и время получения задания: " + assignmentReceivedDate);
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System.out.println("Дата и время сдачи задания: " + currentDate);
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}
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}

‎students/23K0140/23K0140-p11/src/main/java/ru/mirea/practice/s23k0140/task2/Main.java

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package ru.mirea.practice.s23k0140.task2;
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import java.text.ParseException;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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import java.util.Scanner;
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public final class Main {
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private Main() {
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}
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public static void main(String[] args) {
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try (Scanner scanner = new Scanner(System.in)) {
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SimpleDateFormat dateFormat = new SimpleDateFormat("dd.MM.yyyy HH:mm:ss");
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dateFormat.setLenient(false);
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System.out.println("Введите дату и время в формате dd.MM.yyyy HH:mm:ss:");
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String userInput = scanner.nextLine();
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try {
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Date userDate = dateFormat.parse(userInput);
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Date currentDate = new Date();
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System.out.println("Введённая дата и время: " + dateFormat.format(userDate));
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System.out.println("Текущая дата и время: " + dateFormat.format(currentDate));
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if (userDate.before(currentDate)) {
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System.out.println("Введённая дата и время раньше текущей системной даты.");
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} else if (userDate.after(currentDate)) {
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System.out.println("Введённая дата и время позже текущей системной даты.");
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} else {
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System.out.println("Введённая дата и время совпадают с текущей системной датой.");
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}
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} catch (ParseException e) {
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System.out.println("Ошибка: Неверный формат даты. Пожалуйста, следуйте формату dd.MM.yyyy HH:mm:ss.");
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} finally {
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scanner.close();
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}
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}
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}
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}

‎students/23K0140/23K0140-p11/src/main/java/ru/mirea/practice/s23k0140/task4/Main.java

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package ru.mirea.practice.s23k0140.task4;
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import java.util.Calendar;
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import java.util.Date;
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import java.util.Scanner;
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public final class Main {
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private Main() {
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}
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public static void main(String[] args) {
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try (Scanner scanner = new Scanner(System.in)) {
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System.out.print("Введите год: ");
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final int year = scanner.nextInt();
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System.out.print("Введите месяц: ");
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final int month = scanner.nextInt();
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if (month < 1 || month > 12) {
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System.out.println("Ошибка: Месяц должен быть в диапазоне от 1 до 12.");
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return;
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}
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System.out.print("Введите день: ");
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final int day = scanner.nextInt();
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if (day < 1 || day > 31) {
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System.out.println("Ошибка: День должен быть в диапазоне от 1 до 31.");
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return;
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}
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System.out.print("Введите часы: ");
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final int hour = scanner.nextInt();
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if (hour < 0 || hour > 23) {
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System.out.println("Ошибка: Часы должны быть в диапазоне от 0 до 23.");
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return;
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}
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System.out.print("Введите минуты: ");
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final int minute = scanner.nextInt();
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if (minute < 0 || minute > 59) {
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System.out.println("Ошибка: Минуты должны быть в диапазоне от 0 до 59.");
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return;
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}
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Calendar calendar = Calendar.getInstance();
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calendar.set(Calendar.YEAR, year);
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calendar.set(Calendar.MONTH, month - 1);
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calendar.set(Calendar.DAY_OF_MONTH, day);
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calendar.set(Calendar.HOUR_OF_DAY, hour);
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calendar.set(Calendar.MINUTE, minute);
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calendar.set(Calendar.SECOND, 0);
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calendar.set(Calendar.MILLISECOND, 0);
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Date date = calendar.getTime();
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System.out.println("\nСозданный объект Calendar:");
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System.out.println(calendar.getTime());
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System.out.println("Созданный объект Date:");
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System.out.println(date);
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Date currentDate = new Date();
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if (date.before(currentDate)) {
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System.out.println("Введённая дата и время ранее текущей системной даты.");
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} else if (date.after(currentDate)) {
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System.out.println("Введённая дата и время позже текущей системной даты.");
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} else {
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System.out.println("Введённая дата и время совпадают с текущей системной датой.");
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}
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} catch (Exception e) {
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System.out.println("Ошибка ввода. Пожалуйста, вводите только числовые значения.");
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}
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}
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}

‎students/23K0140/23K0140-p12/pom.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<artifactId>23K0140</artifactId>
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<groupId>ru.mirea.practice</groupId>
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<version>2024.1</version>
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<relativePath>../pom.xml</relativePath>
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</parent>
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<artifactId>23K0140-p12</artifactId>
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<description>Лабораторная 12</description>
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</project>

‎students/23K0140/23K0140-p12/src/main/java/ru/mirea/practice/s23k0140/task1/Circle.java

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package ru.mirea.practice.s23k0140.task1;
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public class Circle extends Shape {
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public Circle(double x, double y, String color) {
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super(x, y, color);
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}
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@Override
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public String toString() {
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return "Square{" + super.toString() + "}";
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}
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}

‎students/23K0140/23K0140-p12/src/main/java/ru/mirea/practice/s23k0140/task1/Main.java

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package ru.mirea.practice.s23k0140.task1;
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public final class Main {
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private Main() {
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}
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public static void main(String[] args) {
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Square square = new Square(2.0, 1.0, "green");
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Square circle = new Square(2.0, 1.0, "yellow");
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System.out.println(square);
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System.out.println(circle);
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}
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}

‎students/23K0140/23K0140-p12/src/main/java/ru/mirea/practice/s23k0140/task1/Shape.java

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package ru.mirea.practice.s23k0140.task1;
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public abstract class Shape {
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private double x;
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private double y;
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private String color;
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public Shape(double x, double y, String color) {
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this.x = x;
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this.y = y;
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this.color = color;
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}
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public double getX() {
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return x;
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}
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public double getY() {
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return y;
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}
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public String getColor() {
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return color;
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}
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@Override
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public String toString() {
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return "Shape{"
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+ "x='" + x + '\''
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+ ", y='" + y + '\''
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+ ", color='" + color + '\''
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+ '}';
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}
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}

‎students/23K0140/23K0140-p12/src/main/java/ru/mirea/practice/s23k0140/task1/Square.java

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package ru.mirea.practice.s23k0140.task1;
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public class Square extends Shape {
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public Square(double x, double y, String color) {
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super(x, y, color);
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}
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@Override
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public String toString() {
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return "Square{" + super.toString() + "}";
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}
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}

‎students/23K0140/23K0140-p13/pom.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<artifactId>23K0140</artifactId>
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<groupId>ru.mirea.practice</groupId>
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<version>2024.1</version>
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<relativePath>../pom.xml</relativePath>
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</parent>
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<artifactId>23K0140-p13</artifactId>
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<description>Лабораторная 13</description>
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</project>

‎students/23K0140/23K0140-p13/src/main/java/ru/mirea/practice/s23k0140/task1/Main.java

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package ru.mirea.practice.s23k0140.task1;
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import java.util.Locale;
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public abstract class Main {
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public static Locale ru_Ru = new Locale("ru", "Ru");
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public static void stringMethod(String s) {
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System.out.println(s.charAt(s.length() - 1));
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System.out.println(s.endsWith("!!!"));
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System.out.println(s.startsWith("I like"));
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System.out.println(s.contains("Java"));
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System.out.println(s.lastIndexOf("Java"));
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String s1 = s.replace("a", "o");
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System.out.println(s1);
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String s2 = s1.toUpperCase(ru_Ru);
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System.out.println(s2);
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String s3 = s2.toLowerCase(ru_Ru);
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System.out.println(s3);
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String s4 = s.substring(s.lastIndexOf("Java"), s.indexOf("!"));
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System.out.println(s4);
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}
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public static void main(String[] args) {
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stringMethod("I like Java!!!");
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}
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}

‎students/23K0140/23K0140-p13/src/main/java/ru/mirea/practice/s23k0140/task2/Main.java

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package ru.mirea.practice.s23k0140.task2;
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public final class Main {
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private Main() {
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}
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public static void main(String[] args) {
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Person person1 = new Person("Иванов", "Иван", "Иванович");
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Person person2 = new Person("Петров", "Петр", null);
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Person person3 = new Person("Сидоров", null, "Сидорович");
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Person person4 = new Person("Кузнецов", null, null);
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System.out.println(person1.getFullName());
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System.out.println(person2.getFullName());
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System.out.println(person3.getFullName());
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System.out.println(person4.getFullName());
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}
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}

‎students/23K0140/23K0140-p13/src/main/java/ru/mirea/practice/s23k0140/task2/Person.java

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package ru.mirea.practice.s23k0140.task2;
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public class Person {
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private String lastName;
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private String firstName;
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private String middleName;
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public Person(String lastName, String firstName, String middleName) {
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this.lastName = lastName;
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this.firstName = firstName;
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this.middleName = middleName;
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}
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public String getFullName() {
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StringBuilder fullName = new StringBuilder(lastName);
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if (firstName != null && !firstName.isEmpty()) {
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fullName.append(" ").append(firstName.charAt(0)).append(".");
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}
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if (middleName != null && !middleName.isEmpty()) {
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fullName.append(" ").append(middleName.charAt(0)).append(".");
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}
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return fullName.toString();
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}
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public String getLastName() {
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return lastName;
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}
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public void setLastName(String lastName) {
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this.lastName = lastName;
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}
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public String getFirstName() {
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return firstName;
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}
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public void setFirstName(String firstName) {
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this.firstName = firstName;
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}
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public String getMiddleName() {
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return middleName;
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}
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public void setMiddleName(String middleName) {
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this.middleName = middleName;
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}
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}

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