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PastorPastor
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Merge pull request #75 from AndrewSkrypov/features/lab4
Features/lab4
2 parents fc83695 + 1d6a4f5 commit 761d309

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‎students/23K0368/23K0368-p03/pom.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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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>23K0368</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>23K0368-p03</artifactId>
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<description>Третье задание</description>
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</project>

‎students/23K0368/23K0368-p03/src/main/java/ru/mirea/practice/s0000001/First.java

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package ru.mirea.practice.s0000001;
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import java.util.Arrays;
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import java.util.Random;
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public abstract class First {
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public static void main(String[] args) {
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Float[] array1 = new Float[10];
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Random random = new Random();
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for (int i = 0; i < 10; i++) {
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array1[i] = random.nextFloat();
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}
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System.out.println("1 Массив, созданный с помощью класса Random(): ");
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System.out.println(Arrays.toString(array1));
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array1 = Arrays.stream(array1).sorted().toArray(Float[]::new);
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System.out.println(Arrays.toString(array1));
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System.out.println();
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Float[] array2 = new Float[10];
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for (int i = 0; i < 10; i++) {
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array2[i] = (float) Math.random();
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}
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System.out.println("2 Массив, созданный с помощью метода random(): ");
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System.out.println(Arrays.toString(array2));
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array2 = Arrays.stream(array2).sorted().toArray(Float[]::new);
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System.out.println(Arrays.toString(array2));
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}
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}

‎students/23K0368/23K0368-p03/src/main/java/ru/mirea/practice/s0000001/Fourth.java

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package ru.mirea.practice.s0000001;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Random;
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import java.util.Scanner;
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public abstract class Fourth {
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public static void main(String[] args) {
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try (Scanner sc = new Scanner(System.in)) {
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int n = 0;
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System.out.println("Введите число: ");
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while (n == 0) {
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if (sc.hasNextInt()) {
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n = sc.nextInt();
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} else {
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System.out.println("Введите число!");
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}
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}
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Integer[] array = new Integer[n];
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Random random = new Random();
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for (int i = 0; i < n; i++) {
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array[i] = random.nextInt(n);
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}
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System.out.println(Arrays.toString(array));
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ArrayList<Integer> list = new ArrayList<>();
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for (int i = 0; i < n; i++) {
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if (array[i] % 2 == 0) {
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list.add(array[i]);
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}
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}
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System.out.println(list);
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}
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}
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}

‎students/23K0368/23K0368-p03/src/main/java/ru/mirea/practice/s0000001/Test.java

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package ru.mirea.practice.s0000001;
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import java.util.Formatter;
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public abstract class Test {
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public static void main(String[] args) {
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double x = 1000.0 / 3.0;
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System.out.println("Строка без форматирования: " + x);
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try (Formatter formatter = new Formatter()) {
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formatter.format("Строка c форматированием: %.2f%n", x);
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formatter.format("Строка c форматированием: %8.2f%n", x);
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formatter.format("Строка c форматированием: %16.2f%n", x);
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System.out.println(formatter);
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}
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}
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}

‎students/23K0368/23K0368-p03/src/main/java/ru/mirea/practice/s0000001/Third.java

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package ru.mirea.practice.s0000001;
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import java.util.Arrays;
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import java.util.Random;
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public abstract class Third {
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public static void main(String[] args) {
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Integer[] array = new Integer[4];
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Random random = new Random();
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for (int i = 0; i < array.length; i++) {
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array[i] = random.nextInt(100);
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}
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System.out.println(Arrays.toString(array));
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int cmt = 0;
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for (int i = 1; i < array.length; i++) {
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if (array[i] > array[i - 1]) {
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cmt++;
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}
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}
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if (cmt == array.length) {
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System.out.println("Последовательность строго возрастающая");
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} else {
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System.out.println("Последовательность не строго возрастающая");
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}
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}
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}

‎students/23K0368/23K0368-p03/src/main/java/ru/mirea/practice/s0000001/zadanie1/Obolochki1.java

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package ru.mirea.practice.s0000001.zadanie1;
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public abstract class Obolochki1 {
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public static void main(String[] args) {
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System.out.println("Задание 1:");
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//Задание 1
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Double doubleFromstr = Double.valueOf("3.14");
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System.out.println(doubleFromstr);
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double doubleFromprimetive = 2.182818284590452354;
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Double doubleFromdouble = Double.valueOf(String.valueOf(doubleFromprimetive));
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System.out.println(doubleFromdouble);
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System.out.println();
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System.out.println("Задание 2:");
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//Задание 2
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String str = "10011";
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Double d = Double.parseDouble(str);
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System.out.println(d);
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System.out.println();
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System.out.println("Задание 3:");
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//Задание 3
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Double doubleValue = 123.456;
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// Преобразование Double к примитивным типам
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byte byteValue = doubleValue.byteValue();
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short shortValue = doubleValue.shortValue();
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int intValue = doubleValue.intValue();
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long longValue = doubleValue.longValue();
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float floatValue = doubleValue.floatValue();
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double doublePrimitive = doubleValue;
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// Вывод результатов
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System.out.println("Double: " + doubleValue);
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System.out.println("Byte: " + byteValue);
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System.out.println("Short: " + shortValue);
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System.out.println("Int: " + intValue);
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System.out.println("Long: " + longValue);
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System.out.println("Float: " + floatValue);
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System.out.println("Double (primitive): " + doublePrimitive);
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System.out.println();
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System.out.println("Задание 5:");
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//Задание 5
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double pi = 3.14;
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String nm5 = Double.toString(pi);
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System.out.println(nm5);
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}
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}

‎students/23K0368/23K0368-p03/src/main/java/ru/mirea/practice/s0000001/zadanie2/Employe.java

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package ru.mirea.practice.s0000001.zadanie2;
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public class Employe {
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String fullname;
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double salary;
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public Employe(String fullname, double salary) {
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this.fullname = fullname;
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this.salary = salary;
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}
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}

‎students/23K0368/23K0368-p03/src/main/java/ru/mirea/practice/s0000001/zadanie2/Employee.java

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package ru.mirea.practice.s0000001.zadanie2;
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public abstract class Employee {
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public static void main(String[] args) {
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Employe[] employees = {new Employe("Иванов Иван Иванович", 50000.00),
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new Employe("Петров Петр Петрович", 65000.50),
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new Employe("Сидорова Мария Сергеевна", 48000.75)
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};
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Report.generateReport(employees);
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}
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}

‎students/23K0368/23K0368-p03/src/main/java/ru/mirea/practice/s0000001/zadanie2/Main.java

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package ru.mirea.practice.s0000001.zadanie2;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.Scanner;
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public class Main {
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private final Map<String, Double> table;
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public Main() {
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table = new HashMap<>();
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table.put("RUS", 1.0);
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table.put("USD", 90.93);
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table.put("EUR", 100.8);
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table.put("GBP", 118.93);
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}
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public double convert(Double summ, String tmpCurrency, String newCurrency) {
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if (!table.containsKey(tmpCurrency) || !table.containsKey(newCurrency)) {
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throw new IllegalArgumentException("Неверные коды валют.");
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}
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return (summ * table.get(tmpCurrency)) / table.get(newCurrency);
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}
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public static void main(String[] args) {
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Main table1 = new Main();
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System.out.println("Валюты на выбор: " + table1.table);
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try (Scanner sc = new Scanner(System.in)) {
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System.out.println("Введите сумму");
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double summ = sc.nextDouble();
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System.out.println("Введите исходную валюту");
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String tmpCurrency = sc.next();
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System.out.println("Введите конечную валюту");
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String newCurrency = sc.next();
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double newSumm = table1.convert(summ, tmpCurrency, newCurrency);
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System.out.println(summ + " " + tmpCurrency + " = " + newSumm + " " + newCurrency);
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}
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}
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}

‎students/23K0368/23K0368-p03/src/main/java/ru/mirea/practice/s0000001/zadanie2/Report.java

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package ru.mirea.practice.s0000001.zadanie2;
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public abstract class Report {
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public static void generateReport(Employe[] employees) {
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System.out.println("------------------------------------");
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System.out.println("Отчет о зарплате сотрудников:");
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System.out.println("------------------------------------");
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System.out.println("\t\tФИО\t\t\t\tЗарплата");
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System.out.println("------------------------------------");
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for (Employe employee : employees) {
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System.out.printf("%-20s %10.2f\n", employee.fullname, employee.salary);
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}
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System.out.println("------------------------------------");
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}
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}

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