java timestamp now
// 2021-03-24 16:48:05.591
Timestamp timestamp = new Timestamp(System.currentTimeMillis());
// 2021-03-24 16:48:05.591
Date date = new Date();
Timestamp timestamp2 = new Timestamp(date.getTime());
// convert Instant to Timestamp
Timestamp ts = Timestamp.from(Instant.now())
// convert ZonedDateTime to Instant to Timestamp
Timestamp ts = Timestamp.from(ZonedDateTime.now().toInstant()));
// convert Timestamp to Instant
Instant instant = ts.toInstant();java timestamp
package com.mkyong.app;
import java.sql.Timestamp;
import java.text.SimpleDateFormat;
import java.util.Date;
public class TimeStampExample {
// 2021.03.24.16.34.26
private static final SimpleDateFormat sdf1 = new SimpleDateFormat("yyyy.MM.dd.HH.mm.ss");
// 2021-03-24T16:44:39.083+08:00
private static final SimpleDateFormat sdf2 = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSXXX");
// 2021-03-24 16:48:05
private static final SimpleDateFormat sdf3 = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
public static void main(String[] args) {
// method 1
Timestamp timestamp = new Timestamp(System.currentTimeMillis());
System.out.println(timestamp); // 2021-03-24 16:34:26.666
// method 2 - via Date
Date date = new Date();
System.out.println(new Timestamp(date.getTime())); // 2021-03-24 16:34:26.666
// number of milliseconds since January 1, 1970, 00:00:00 GMT
System.out.println(timestamp.getTime()); // 1616574866666
System.out.println(sdf1.format(timestamp)); // 2021.03.24.16.34.26
System.out.println(sdf2.format(timestamp)); // 2021-03-24T16:48:05.591+08:00
System.out.println(sdf3.format(timestamp)); // 2021-03-24 16:48:05
}
}Copyright © 2021 Codeinu
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