从org.joda.time.DateTime转换为java.util.Calendar的方法

<!-- Maven --><dependency>
 <groupId>joda-time</groupId>
 <artifactId>joda-time</artifactId>
 <version>2.10.13</version>
</dependency>

// Gradle
implementation 'joda-time:joda-time:2.10.13'

import org.joda.time.DateTime;
import java.util.Calendar;

public class DateTimeToCalendar {
    public static void main(String[] args) {
        DateTime dateTime = new DateTime(); // 当前时间
        Calendar calendar = dateTime.toCalendar(null);
        System.out.println(calendar);
    }
}