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PastorPastor
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Merge pull request #628 from AlexandraNabieva/main
Лабораторные №21-32
2 parents 50b3dfd + 88aa1f9 commit 9dd3da6

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‎students/23K0169/23K0169-p21/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>23K0169</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>23K0169-p21</artifactId>
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<description>Массивы</description>
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</project>

‎students/23K0169/23K0169-p21/src/main/java/ru/mirea/practice/s23k0169/t1/Converter.java

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package ru.mirea.practice.s23k0169.t1;
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import java.util.Arrays;
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import java.util.List;
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public abstract class Converter {
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public static <T> List<T> convertArrayToList(T[] array) {
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return Arrays.asList(array);
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}
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public static void main(String[] args) {
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String[] stringArray = {"a", "b", "c"};
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List<String> stringList = convertArrayToList(stringArray);
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System.out.println("Список строк: " + stringList);
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Integer[] intArray = {1, 2, 3};
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List<Integer> intList = convertArrayToList(intArray);
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System.out.println("Список чисел: " + intList);
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}
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}

‎students/23K0169/23K0169-p21/src/main/java/ru/mirea/practice/s23k0169/t2/GenericArray.java

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package ru.mirea.practice.s23k0169.t2;
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public class GenericArray<T> {
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private T[] array;
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public GenericArray(T[] array) {
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this.array = array;
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}
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public T[] getArray() {
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return array;
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}
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}

‎students/23K0169/23K0169-p21/src/main/java/ru/mirea/practice/s23k0169/t2/Main.java

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package ru.mirea.practice.s23k0169.t2;
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public abstract class Main {
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public static void main(String[] args) {
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Integer[] intArray = {1, 2, 3, 4, 5};
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GenericArray<Integer> integerArray = new GenericArray<>(intArray);
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System.out.println("Массив целых чисел:");
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for (Integer element : integerArray.getArray()) {
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System.out.println(element);
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}
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String[] stringArray = {"apple", "banana", "cherry"};
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GenericArray<String> stringGenericArray = new GenericArray<>(stringArray);
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System.out.println("\nМассив строк:");
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for (String element : stringGenericArray.getArray()) {
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System.out.println(element);
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}
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}
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}

‎students/23K0169/23K0169-p21/src/main/java/ru/mirea/practice/s23k0169/t3/GenericArray.java

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package ru.mirea.practice.s23k0169.t3;
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public class GenericArray<T> {
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private T[] array;
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public GenericArray(T[] array) {
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this.array = array;
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}
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public T[] getArray() {
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return array;
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}
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public T getElementByIndex(int index) {
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if (index < 0 || index >= array.length) {
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throw new IndexOutOfBoundsException("Индекс выходит за пределы массива");
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}
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return array[index];
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}
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}

‎students/23K0169/23K0169-p21/src/main/java/ru/mirea/practice/s23k0169/t3/Main.java

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package ru.mirea.practice.s23k0169.t3;
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public abstract class Main {
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public static void main(String[] args) {
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Integer[] intArray = {1, 2, 3, 4, 5};
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GenericArray<Integer> integerArray = new GenericArray<>(intArray);
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System.out.println("Массив целых чисел:");
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for (Integer element : integerArray.getArray()) {
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System.out.println(element);
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}
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System.out.println("Элемент по индексу 2: " + integerArray.getElementByIndex(2));
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String[] stringArray = {"apple", "banana", "cherry"};
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GenericArray<String> stringGenericArray = new GenericArray<>(stringArray);
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System.out.println("\nМассив строк:");
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for (String element : stringGenericArray.getArray()) {
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System.out.println(element);
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}
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System.out.println("Элемент по индексу 1: " + stringGenericArray.getElementByIndex(1));
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}
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}

‎students/23K0169/23K0169-p21/src/main/java/ru/mirea/practice/s23k0169/t4/DirectoryUtils.java

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package ru.mirea.practice.s23k0169.t4;
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import java.io.File;
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import java.util.ArrayList;
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import java.util.List;
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public abstract class DirectoryUtils {
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public static List<String> getDirectoryContents(String path) {
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File directory = new File(path);
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List<String> fileList = new ArrayList<>();
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if (directory.isDirectory()) {
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for (File file : directory.listFiles()) {
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fileList.add(file.getName());
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}
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}
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return fileList;
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}
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public static void main(String[] args) {
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List<String> contents = getDirectoryContents("/Users/viktoriapermakova/Desktop/Java");
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contents.stream().limit(5).forEach(System.out::println);
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}
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}

‎students/23K0169/23K0169-p21/src/main/java/ru/mirea/practice/s23k0169/t5/Main.java

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package ru.mirea.practice.s23k0169.t5;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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public abstract class Main {
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public static void main(String[] args) {
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List<Integer> list = Solution.newArrayList(1, 2, 3, 4, 5);
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System.out.println("ArrayList: " + list);
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Set<String> set = Solution.newHashSet("a", "b", "c");
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System.out.println("HashSet: " + set);
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Map<String, Integer> map = Solution.newHashMap("key1", 100);
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System.out.println("HashMap: " + map);
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}
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}

‎students/23K0169/23K0169-p21/src/main/java/ru/mirea/practice/s23k0169/t5/Solution.java

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package ru.mirea.practice.s23k0169.t5;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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public abstract class Solution {
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public static <T> List<T> newArrayList(T... elements) {
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List<T> list = new ArrayList<>();
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for (T element : elements) {
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list.add(element);
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}
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return list;
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}
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public static <T> Set<T> newHashSet(T... elements) {
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Set<T> set = new HashSet<>();
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for (T element : elements) {
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set.add(element);
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}
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return set;
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}
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public static <K, V> Map<K, V> newHashMap(K key, V value) {
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Map<K, V> map = new HashMap<>();
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map.put(key, value);
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return map;
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}
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}

‎students/23K0169/23K0169-p22/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>23K0169</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>23K0169-p22</artifactId>
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<description>Массивы</description>
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</project>

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