import java.time.LocalDate;

public class LocalDateExample {
    public static void main(String[] args) {
        // 获取当前日期
        LocalDate currentDate = LocalDate.now();
        System.out.println("Current Date: " + currentDate);

        // 创建指定日期
        LocalDate specificDate = LocalDate.of(2022, 1, 1);
        System.out.println("Specific Date: " + specificDate);

        // 执行日期操作
        LocalDate futureDate = currentDate.plusMonths(3);
        System.out.println("Future Date: " + futureDate);
    }
}

import java.time.LocalTime;

public class LocalTimeExample {
    public static void main(String[] args) {
        // 获取当前时间
        LocalTime currentTime = LocalTime.now();
        System.out.println("Current Time: " + currentTime);

        // 创建指定时间
        LocalTime specificTime = LocalTime.of(12, 30, 45);
        System.out.println("Specific Time: " + specificTime);

        // 执行时间操作
        LocalTime futureTime = currentTime.plusHours(2);
        System.out.println("Future Time: " + futureTime);
    }
}

import java.time.LocalDateTime;

public class LocalDateTimeExample {
    public static void main(String[] args) {
        // 获取当前日期和时间
        LocalDateTime currentDateTime = LocalDateTime.now();
        System.out.println("Current Date and Time: " + currentDateTime);

        // 创建指定日期和时间
        LocalDateTime specificDateTime = LocalDateTime.of(2022, 1, 1, 12, 30);
        System.out.println("Specific Date and Time: " + specificDateTime);

        // 执行日期和时间操作
        LocalDateTime futureDateTime = currentDateTime.plusDays(7).minusHours(3);
        System.out.println("Future Date and Time: " + futureDateTime);
    }
}

import java.time.ZonedDateTime;
import java.time.ZoneId;

public class ZonedDateTimeExample {
    public static void main(String[] args) {
        // 获取带有时区信息的当前日期和时间
        ZonedDateTime currentZonedDateTime = ZonedDateTime.now();
        System.out.println("Current Date and Time with Zone: " + currentZonedDateTime);

        // 创建指定时区的日期和时间
        ZonedDateTime specificZonedDateTime = ZonedDateTime.of(LocalDateTime.now(), ZoneId.of("America/New_York"));
        System.out.println("Specific Date and Time with Zone: " + specificZonedDateTime);
    }
}