import java.text.SimpleDateFormat;
import java.util.Date;

public class TimeDifference {
    public static void main(String[] args) {
        try {
            // 定义开始时间和结束时间
            SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
            Date timeS = sdf.parse("2023-06-08 12:30:00");
            Date timeE = sdf.parse("2023-06-08 15:45:30");

            // 计算时间差
            long timeDifferenceMillis = timeE.getTime() - timeS.getTime();

            // 换算为时分秒
            long seconds = (timeDifferenceMillis / 1000) % 60;
            long minutes = (timeDifferenceMillis / (1000 * 60)) % 60;
            long hours = (timeDifferenceMillis / (1000 * 60 * 60));

            System.out.println("时间差为：" + hours + "小时 " + minutes + "分钟 " + seconds + "秒");
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}