ZonedDateTime newYorkTime = now.atZone(newYorkZoneId);
System.out.println("找到电子邮件地址: " + matcher.group());
DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
import java.io.FileNotFoundException;
System.out.println("Bitwise Shift Left: " + bitwiseShiftLeft);
short shortVar = 200; // 短整型