lab 20

students/23K0114/23K0114-p011/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>23K0114</artifactId>
+        <groupId>ru.mirea.practice</groupId>
+        <version>2024.1</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
+    <artifactId>23K0114-p011</artifactId>
+    <description>Массивы</description>
+</project>

students/23K0114/23K0114-p011/src/main/java/ru/mirea/practice/s23k0114/lab1/task1/AssignmentInfo.java

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+package ru.mirea.practice.s23k0114.lab1.task1;
+
+import java.util.Date;
+
+public abstract class AssignmentInfo {
+    public static void main(String[] args) {
+
+        String developerSurname = "Журавлева";
+
+        Date assignmentReceived = new Date(System.currentTimeMillis());
+
+        System.out.println("Фамилия разработчика: " + developerSurname);
+        System.out.println("Дата и время получения задания: " + assignmentReceived);
+
+        try {
+            Thread.sleep(5000);
+        } catch (InterruptedException e) {
+            e.printStackTrace();
+        }
+
+        Date assignmentSubmitted = new Date();
+
+        System.out.println("Дата и время сдачи задания: " + assignmentSubmitted);
+    }
+}
+

students/23K0114/23K0114-p011/src/main/java/ru/mirea/practice/s23k0114/lab1/task2/UserDateCalendar.java

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+package ru.mirea.practice.s23k0114.lab1.task2;
+
+import java.util.Calendar;
+import java.util.Date;
+import java.util.Scanner;
+
+public abstract class UserDateCalendar {
+    public static void main(String[] args) {
+        try (Scanner scanner = new Scanner(System.in)) {
+
+            System.out.print("Введите год: ");
+            final int year = scanner.nextInt();
+
+            System.out.print("Введите месяц (1-12): ");
+            final int month = scanner.nextInt() - 1;
+
+            System.out.print("Введите число: ");
+            final int day = scanner.nextInt();
+
+            System.out.print("Введите часы: ");
+            final int hour = scanner.nextInt();
+
+            System.out.print("Введите минуты: ");
+            final int minute = scanner.nextInt();
+
+            Calendar calendar = Calendar.getInstance();
+            calendar.set(year, month, day, hour, minute);
+
+            Date date = calendar.getTime();
+
+            System.out.println("Объект Calendar: " + calendar.getTime());
+            System.out.println("Объект Date: " + date);
+        }
+    }
+}
+

students/23K0114/23K0114-p012/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>23K0114</artifactId>
+        <groupId>ru.mirea.practice</groupId>
+        <version>2024.1</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
+    <artifactId>23K0114-p012</artifactId>
+    <description>Массивы</description>
+</project>

students/23K0114/23K0114-p012/src/main/java/ru/mirea/practice/s23k0114/lab1/Main.java

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+package ru.mirea.practice.s23k0114.lab1;
+
+public final class Main {
+
+    private Main() {
+
+    }
+
+    public static void main(String[] args) {
+        System.out.println("вторая практическая работа!");
+    }
+}

students/23K0114/23K0114-p012/src/main/java/ru/mirea/practice/s23k0114/lab1/Task2.java

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+package ru.mirea.practice.s23k0114.lab1;
+
+import java.util.Scanner;
+
+/**
+ * Написать регулярное выражение, определяющее является ли данная
+ * строка строкой "abcdefghijklmnopqrstuv18340" или нет.
+ * a) пример правильных выражений:   abcdefghijklmnopqrstuv18340
+ * b) пример неправильных выражений: abcdefghijklmnoasdfasdpqrstuv18340.
+ */
+
+public abstract class Task2 {
+    public static void main(String[] args) {
+        try (Scanner sc = new Scanner(System.in)) {
+            String inp = sc.nextLine().strip();
+            if (inp.matches("abcdefghijklmnopqrstuv18340")) {
+                System.out.println("Введённая строка совпадает с: abcdefghijklmnopqrstuv18340");
+            } else {
+                System.out.println("Введённая строка не совпадает с: abcdefghijklmnopqrstuv18340");
+            }
+        }
+    }
+}

students/23K0114/23K0114-p012/src/main/java/ru/mirea/practice/s23k0114/lab1/Task3.java

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+package ru.mirea.practice.s23k0114.lab1;
+
+import java.util.Scanner;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ * Дан текст со списками цен. Извлечь из него цены в USD, RUВ, EU.
+ * a) пример правильных выражений: 25.98 USD.
+ * b) пример неправильных выражений: 44 ERR, 0.004 EU.
+ */
+
+public abstract class Task3 {
+    public static void main(String[] args) {
+        System.out.println("Extracts first match only!");
+
+        final Pattern p = Pattern.compile("(\\d+\\.\\d\\d ((USD)|(RUB)|(EU)))");
+
+        try (Scanner sc = new Scanner(System.in)) {
+            String str = sc.nextLine();
+
+            Matcher m = p.matcher(str);
+            if (m.find()) {
+                System.out.println(m.group(1));
+            } else {
+                System.out.println("Nothing was matched.");
+            }
+        }
+    }
+}

students/23K0114/23K0114-p013/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>23K0114</artifactId>
+        <groupId>ru.mirea.practice</groupId>
+        <version>2024.1</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
+    <artifactId>23K0114-p013</artifactId>
+    <description>Массивы</description>
+</project>

students/23K0114/23K0114-p013/src/main/java/ru/mirea/practice/s23k0114/lab1/task1/StringTask.java

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+package ru.mirea.practice.s23k0114.lab1.task1;
+
+import java.util.Locale;
+
+public abstract class StringTask {
+
+    public static void main(String[] args) {
+        String str = "I like Java!!!";
+
+        char lastChar = str.charAt(str.length() - 1);
+        System.out.println("Последний символ: " + lastChar);
+
+        boolean endsWithExclamation = str.endsWith("!!!");
+        System.out.println("Заканчивается ли строка на '!!!': " + endsWithExclamation);
+
+        boolean startsWithILike = str.startsWith("I like");
+        System.out.println("Начинается ли строка с 'I like': " + startsWithILike);
+
+        boolean containsJava = str.contains("Java");
+        System.out.println("Содержит ли строка 'Java': " + containsJava);
+
+        int indexOfJava = str.indexOf("Java");
+        System.out.println("Позиция 'Java': " + indexOfJava);
+
+        String replacedStr = str.replace('a', 'o');
+        System.out.println("Строка с заменой 'a' на 'o': " + replacedStr);
+
+        String upperCaseStr = str.toUpperCase(Locale.ROOT);
+        System.out.println("Строка в верхнем регистре: " + upperCaseStr);
+
+        String lowerCaseStr = str.toLowerCase(Locale.ROOT);
+        System.out.println("Строка в нижнем регистре: " + lowerCaseStr);
+
+        String substringJava = str.substring(indexOfJava, indexOfJava + "Java".length());
+        System.out.println("Вырезанная строка 'Java': " + substringJava);
+    }
+}
+
+

students/23K0114/23K0114-p013/src/main/java/ru/mirea/practice/s23k0114/lab1/task2/Main.java

@@ -0,0 +1,18 @@
+package ru.mirea.practice.s23k0114.lab1.task2;
+
+
+
+
+public abstract class Main {
+    public static void main(String[] args) {
+        Person person1 = new Person("Пупкин", "Василий", "Иванович");
+        Person person2 = new Person("Матанов", "Петруха", null);
+        Person person3 = new Person("Шариков", null, null);
+
+        PersonFormatter formatter = new PersonFormatter();
+
+        System.out.println(formatter.getFullNameInitials(person1));
+        System.out.println(formatter.getFullNameInitials(person2));
+        System.out.println(formatter.getFullNameInitials(person3));
+    }
+}

students/23K0114/23K0114-p013/src/main/java/ru/mirea/practice/s23k0114/lab1/task2/Person.java

@@ -0,0 +1,27 @@
+package ru.mirea.practice.s23k0114.lab1.task2;
+
+public class Person {
+
+    private String lastName;
+    private String firstName;
+    private String middleName;
+
+    public Person(String lastName, String firstName, String middleName) {
+        this.lastName = lastName;
+        this.firstName = firstName;
+        this.middleName = middleName;
+    }
+
+    public String getLastName() {
+        return lastName;
+    }
+
+    public String getFirstName() {
+        return firstName;
+    }
+
+    public String getMiddleName() {
+        return middleName;
+    }
+}
+

students/23K0114/23K0114-p013/src/main/java/ru/mirea/practice/s23k0114/lab1/task2/PersonFormatter.java

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+package ru.mirea.practice.s23k0114.lab1.task2;
+
+
+
+public class PersonFormatter {
+
+    public String getFullNameInitials(Person person) {
+        StringBuilder result = new StringBuilder();
+
+        if (person.getLastName() != null && !person.getLastName().isEmpty()) {
+            result.append(person.getLastName());
+        }
+
+        if (person.getFirstName() != null && !person.getFirstName().isEmpty()) {
+            if (result.length() > 0) {
+                result.append(" ");
+            }
+            result.append(person.getFirstName().charAt(0)).append(".");
+        }
+
+        if (person.getMiddleName() != null && !person.getMiddleName().isEmpty()) {
+            result.append(person.getMiddleName().charAt(0)).append(".");
+        }
+
+        return result.toString();
+    }
+}

students/23K0114/23K0114-p014/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>23K0114</artifactId>
+        <groupId>ru.mirea.practice</groupId>
+        <version>2024.1</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
+    <artifactId>23K0114-p014</artifactId>
+    <description>Массивы</description>
+</project>

students/23K0114/23K0114-p014/src/main/java/ru/mirea/practice/s23k0114/lab1/task1/StringManipulator.java

@@ -0,0 +1,35 @@
+package ru.mirea.practice.s23k0114.lab1.task1;
+
+import java.util.Scanner;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public abstract class StringManipulator {
+
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+
+        try {
+            System.out.print("Введите строку для обработки: ");
+            String inputString = scanner.nextLine();
+
+            System.out.print("Введите регулярное выражение для разбивки строки: ");
+            String regex = scanner.nextLine();
+
+            Pattern pattern = Pattern.compile(regex);
+            Matcher matcher = pattern.matcher(inputString);
+
+            System.out.println("Результаты разбиения:");
+            while (matcher.find()) {
+                System.out.println(matcher.group());
+            }
+
+        } finally {
+            if (scanner != null) {
+                scanner.close();
+            }
+        }
+    }
+}
+
+

students/23K0114/23K0114-p014/src/main/java/ru/mirea/practice/s23k0114/lab1/task2/StringValidator.java

@@ -0,0 +1,31 @@
+package ru.mirea.practice.s23k0114.lab1.task2;
+
+import java.util.Scanner;
+import java.util.regex.Pattern;
+
+public abstract class StringValidator {
+
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+
+        try {
+            System.out.print("Введите строку для проверки: ");
+            String inputString = scanner.nextLine();
+
+            String regex = "^abcdefghijklmnopqrstuv18340$";
+
+            boolean isValid = Pattern.matches(regex, inputString);
+
+            if (isValid) {
+                System.out.println("Строка корректна.");
+            } else {
+                System.out.println("Строка некорректна.");
+            }
+
+        } finally {
+            if (scanner != null) {
+                scanner.close();
+            }
+        }
+    }
+}

students/23K0114/23K0114-p015/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>23K0114</artifactId>
+        <groupId>ru.mirea.practice</groupId>
+        <version>2024.1</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
+    <artifactId>23K0114-p015</artifactId>
+    <description>Массивы</description>
+</project>