java get current milliseconds
package com.tutorialspoint;
import java.lang.*;
public class SystemDemo {
public static void main(String[] args) {
// returns the current time in milliseconds
System.out.print("Current Time in milliseconds = ");
System.out.println(System.currentTimeMillis());
}
}how to format a datetime object to show date and time and milliseconds in java
public String getCurrentTimeStamp() {
return new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS").format(new Date());
}date to milliseconds java
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.time.format.DateTimeFormatter;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.*;
public class HelloWorld{
public static void main(String []args){
String myDate = "2020-02-26 03:57:35";
LocalDateTime localDateTime = LocalDateTime.parse(myDate,
DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss") );
long millis = localDateTime
.atZone(ZoneId.of("America/Chicago")) //optional
.toInstant().toEpochMilli();
System.out.println(millis);
}
}Copyright © 2021 Codeinu
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