import lombok.experimental.ExtensionMethod;
import java.util.Collections;

@ExtensionMethod(Collections.class)
public class ListUtils {
    public void example() {
        java.util.List<String> list = new java.util.ArrayList<>();
        list.add("Hello");
        list = unmodifiableList(list); // Метод из Collections
    }
}

public class ListUtils {
    public void example() {
        java.util.List<String> list = new java.util.ArrayList<>();
        list.add("Hello");
        list = Collections.unmodifiableList(list);
    }
}

import lombok.experimental.Accessors;
import lombok.Getter;
import lombok.Setter;

@Getter
@Setter
@Accessors(chain = true)
public class User {
    private String name;
    private int age;
}

// Использование:
User user = new User().setName("John").setAge(30);

public class User {
    private String name;
    private int age;

    public User setName(String name) {
        this.name = name;
        return this;
    }

    public User setAge(int age) {
        this.age = age;
        return this;
    }
}

@Accessors(prefix = "m_")
private String m_name;

import lombok.experimental.Wither;

@Wither
public class User {
    private final String name;
    private final int age;

    public User(String name, int age) {
        this.name = name;
        this.age = age;
    }
}

// Использование:
User user = new User("John", 30);
User newUser = user.withAge(31);

public class User {
    private final String name;
    private final int age;

    public User(String name, int age) {
        this.name = name;
        this.age = age;
    }

    public User withName(String name) {
        return this.name == name ? this : new User(name, this.age);
    }

    public User withAge(int age) {
        return this.age == age ? this : new User(this.name, age);
    }
}

import lombok.experimental.Helper;

public class Example {
    public void exampleMethod() {
        @Helper
        class LocalHelper {
            void help() {
                System.out.println("Helping!");
            }
        }
        new LocalHelper().help();
    }
}

public class Example {
    public void exampleMethod() {
        class LocalHelper {
            void help() {
                System.out.println("Helping!");
            }
        }
        new LocalHelper().help();
    }
}

LocalDate today = LocalDate.now(); // Текущая дата
LocalDate specificDate = LocalDate.of(2023, 10, 15); // Конкретная дата

System.out.println("Сегодня: " + today);
System.out.println("Конкретная дата: " + specificDate);

LocalTime now = LocalTime.now(); // Текущее время
LocalTime specificTime = LocalTime.of(14, 30); // Конкретное время

System.out.println("Сейчас: " + now);
System.out.println("Конкретное время: " + specificTime);

LocalDateTime now = LocalDateTime.now(); // Текущая дата и время
LocalDateTime specificDateTime = LocalDateTime.of(2023, 10, 15, 14, 30); // Конкретная дата и время

System.out.println("Сейчас: " + now);
System.out.println("Конкретная дата и время: " + specificDateTime);

ZonedDateTime nowInTokyo = ZonedDateTime.now(ZoneId.of("Asia/Tokyo")); // Текущее время в Токио
ZonedDateTime specificDateTimeInNewYork = ZonedDateTime.of(2023, 10, 15, 14, 30, 0, 0, ZoneId.of("America/New_York"));

System.out.println("Сейчас в Токио: " + nowInTokyo);
System.out.println("Конкретное время в Нью-Йорке: " + specificDateTimeInNewYork);

LocalDateTime now = LocalDateTime.now();
DateTimeFormatter formatter = DateTimeFormatter.ofPattern("dd.MM.yyyy HH:mm:ss");

String formattedDateTime = now.format(formatter); // Форматирование
System.out.println("Форматированная дата и время: " + formattedDateTime);

LocalDateTime parsedDateTime = LocalDateTime.parse("15.10.2023 14:30:00", formatter); // Парсинг
System.out.println("Распарсенная дата и время: " + parsedDateTime);

import java.time.LocalDate;
import java.time.Period;

public class Task200125_1 {
    public static void main(String[] args) {
        LocalDate date1 = LocalDate.of(2024, 10, 1);
        LocalDate date2 = LocalDate.of(2024, 9, 30);
        Period period = Period.between(date1, date2);
        System.out.println(period.getDays());
    }
}

ZoneId londonZone = ZoneId.of("Europe/London");
ZoneId newYorkZone = ZoneId.of("America/New_York");

ZonedDateTime londonTime = ZonedDateTime.now(londonZone);
ZonedDateTime newYorkTime = ZonedDateTime.now(newYorkZone);

System.out.println("Текущее время в Лондоне: " + londonTime);
System.out.println("Текущее время в Нью-Йорке: " + newYorkTime);

LocalTime startTime = LocalTime.of(14, 0);
LocalTime endTime = LocalTime.of(15, 30);

Duration duration = Duration.between(startTime, endTime);
System.out.println("Длительность: " + duration.toMinutes() + " минут");

LocalDate startDate = LocalDate.of(2020, 1, 1);
LocalDate endDate = LocalDate.of(2023, 10, 15);

Period period = Period.between(startDate, endDate);
System.out.println("Период: " + period.getYears() + " лет, " + period.getMonths() + " месяцев, " + period.getDays() + " дней");

LocalDateTime startDateTime = LocalDateTime.of(2020, 1, 1, 14, 0);
LocalDateTime endDateTime = LocalDateTime.of(2023, 10, 15, 15, 30);

Duration duration = Duration.between(startDateTime, endDateTime);
Period period = Period.between(startDateTime.toLocalDate(), endDateTime.toLocalDate());

System.out.println("Период: " + period.getYears() + " лет, " + period.getMonths() + " месяцев, " + period.getDays() + " дней");
System.out.println("Длительность: " + duration.toHours() + " часов");

DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");

DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
LocalDateTime now = LocalDateTime.now();
System.out.println(now.format(formatter)); // Пример: 2023-10-25 14:30:00

DateTimeFormatter formatter = DateTimeFormatter.ofPattern("dd MMM yyyy, EEE");
LocalDate date = LocalDate.now();
System.out.println(date.format(formatter)); // Пример: 25 Oct 2023, Wed

DateTimeFormatter formatter = DateTimeFormatter.ofPattern("hh:mm:ss a");
LocalTime time = LocalTime.now();
System.out.println(time.format(formatter)); // Пример: 02:30:00 PM

DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss Z");
ZonedDateTime zonedDateTime = ZonedDateTime.now();
System.out.println(zonedDateTime.format(formatter)); // Пример: 2023-10-25 14:30:00 +0300

LocalDateTime now = LocalDateTime.now();
DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
String formattedDateTime = now.format(formatter);
System.out.println("Formatted DateTime: " + formattedDateTime);

ZonedDateTime zonedDateTime = ZonedDateTime.now();
DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss z");
String formattedZonedDateTime = zonedDateTime.format(formatter);
System.out.println("Formatted Zoned DateTime: " + formattedZonedDateTime);

String zonedDateTimeString = "2023-10-25 14:30:00 Europe/Moscow";
DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss z");
ZonedDateTime parsedZonedDateTime = ZonedDateTime.parse(zonedDateTimeString, formatter);
System.out.println("Parsed Zoned DateTime: " + parsedZonedDateTime);

LocalDateTime now = LocalDateTime.now();
String isoLocalDateTime = now.format(DateTimeFormatter.ISO_LOCAL_DATE_TIME);
System.out.println("ISO Local Date Time: " + isoLocalDateTime);

ZonedDateTime zonedNow = ZonedDateTime.now();
String isoDateTime = zonedNow.format(DateTimeFormatter.ISO_DATE_TIME);
System.out.println("ISO Date Time: " + isoDateTime);