首先,我们定义了一个timestamp变量,用于存储输入的时间戳。这里以1614672000为例。 调用isValidTimestamp方法验证时间戳的合法性。这个方法中,我们获取当前时间戳(以秒为单位),并与输入的时间戳进行比较。如果输入的时间戳小于等于当前时间戳,则认为时间戳合法。 如果时间戳合法,我们调用convertToMilliseconds方法将秒转换...
最后,我们可以将精确到微秒的时间戳输出到控制台上。 importjava.util.Date;importjava.util.concurrent.TimeUnit;publicclassTimestampExample{publicstaticvoidmain(String[]args){DatecurrentDate=newDate();longcurrentTimeMillis=currentDate.getTime();longtimestamp=TimeUnit.MILLISECONDS.toSeconds(currentTimeMillis);...
Below is how I am using the above timer class. I get the timestamp in milliseconds it takes to execute some piece of code and then convert thattimestamptohours,minutesandseconds. publicstaticvoidmain(String[] args){StopTimertimer=StopTimer.getInstance(); some_code_which_I_...
使用java.util.Date 类: import java.util.Date; public class Main { public static void main(String[] args) { // 创建一个 Date 对象 Date date = new Date(); // 获取毫秒时间戳 long timestampInMilliseconds = date.getTime(); System.out.println("当前日期对应的毫秒时间戳: " + timestampI...
直接使用TimeUnit工具箱中的方法 一个更友好点的方法 public static long toSecondMethod2(long timestamp) { return TimeUnit.MILLISECONDS.toSeconds(timestamp); } 测试代码 public static void main(String[] args) { long timestamp = System.currentTimeMillis(); long method1 = toSecondMethod1(timestam...
String.format("Wait for %d milliseconds", lastTimestamp -timestamp)); }if(lastTimestamp ==timestamp) {intsequence =atomic.incrementAndRecycle(SEQUENCE_MASK);if(sequence == 0) { timestamp=waitTilNextMillis(lastTimestamp); lastTimestamp=timestamp; ...
使用java.sql.Timestamp类: String dateString = "2021-01-01 12:00:00"; Timestamp timestamp = Timestamp.valueOf(dateString); long timestampInMilliseconds = timestamp.getTime(); 复制代码 这些方法中,都需要先将字符串按照特定的日期格式解析为Date对象或LocalDateTime对象,然后再将其转换为时间戳。 0...
转载自:LocalDateTime To Timestamp Epoch Seconds And Milliseconds ConvertLocalDateTimeto seconds sinceJanuary 1, 1970, 00:00:00 GMT val now =LocalDateTime.now(ZoneOffset.UTC)//LocalDateTime to epoch secondsval seconds =now.atZone(ZoneOffset.UTC).toEpochSecond())//Epoch seconds to LocalDateTimeval new...
import java.time.Instant; import java.time.ZoneId; import java.time.LocalDateTime; import java.time.format.DateTimeFormatter; public class TimestampToDateConverter { public static void main(String[] args) { long timestampInSeconds = 1633072800; // 示例时间戳(秒级) long timestampInMilliseconds =...
importjava.sql.Timestamp;publicclassTimestampToMilliseconds{publicstaticvoidmain(String[]args){// 步骤1:获取当前时间的Timestamp对象Timestamptimestamp=newTimestamp(System.currentTimeMillis());System.out.println("当前时间戳:"+timestamp);// 步骤2:调用getTime()方法获取毫秒值longmilliseconds=timestamp.ge...