How to get current timestamp in string format in Java yyyy MM dd HH mm ss

Question

How to get timestamp in string format in Java   yyyy MM dd HH mm ss   String timeStamp   new SimpleDateFormat  yyyy MM dd HH mm ss   format new Timestamp       This is what I have  but Timestamp   requires an parameters

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You can use the following  new java sql Timestamp System currentTimeMillis    getTime    Result   1539594988651   Hope this will help  Just my suggestion and not for reward points

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Use modern java time classes if you use java 8 or newer   String s   DateTimeFormatter ofPattern  yyyy-MM-dd HH mm ss   format LocalDateTime now         Basil Bourque s answer is pretty good  But it s too long  Many people would have no patience to read it  Top 3 answers are too old and may mislead Java new bee  So I provide this short and modern answer for new coming devs  Hope this answer can reduce usage of terrible SimpleDateFormat

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I am Using this String timeStamp   new SimpleDateFormat  quot dd MM yyyy HH mm ss quot   format Calendar getInstance   getTime     System out println timeStamp

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tl dr Use only modern java time classes  Never use the terrible legacy classes such as SimpleDateFormat  Date  or java sql Timestamp  ZonedDateTime                       Represent a moment as perceived in the wall-clock time used by the people of a particular region   a time zone    now                                Capture the current moment      ZoneId of   quot Africa Tunis quot        Specify the time zone using proper Continent Region name  Never use 3-4 character pseudo-zones such as PDT  EST  IST                                       Returns a  ZonedDateTime  object    format                             Generate a  String  object containing text representing the value of our date-time object       DateTimeFormatter ofPattern   quot uuuu MM dd HH mm ss quot                                        Returns a  String     Or use the JVM   s current default time zone  ZonedDateTime  now  ZoneId systemDefault      format  DateTimeFormatter ofPattern   quot uuuu MM dd HH mm ss quot       java time  amp  JDBC 4 2 The modern approach uses the java time classes as seen above  If your JDBC driver complies with JDBC 4 2  you can directly exchange java time objects with the database  Use PreparedStatement  setObject and ResultSet  getObject  Use java sql only for drivers before JDBC 4 2 If your JDBC driver does not yet comply with JDBC 4 2 for support of java time types  you must fall back to using the java sql classes  Storing data  OffsetDateTime odt   OffsetDateTime now  ZoneOffset UTC         Capture the current moment in UTC  myPreparedStatement setObject        odt      Retrieving data  OffsetDateTime odt   myResultSet getObject        OffsetDateTime class      The java sql types  such as java sql Timestamp  should only be used for transfer in and out of the database  Immediately convert to java time types in Java 8 and later  java time Instant A java sql Timestamp maps to a java time Instant  a moment on the timeline in UTC  Notice the new conversion method toInstant added to the old class  java sql Timestamp ts   myResultSet getTimestamp         Instant instant   ts toInstant      Time Zone Apply the desired expected time zone  ZoneId  to get a ZonedDateTime  ZoneId zoneId   ZoneId of   quot America Montreal quot     ZonedDateTime zdt   ZonedDateTime ofInstant  instant   zoneId     Formatted Strings Use a DateTimeFormatter to generate your string  The pattern codes are similar to those of java text SimpleDateFormat but not exactly  so read the doc carefully  DateTimeFormatter formatter   DateTimeFormatter ofPattern   quot uuuu MM dd HH mm ss quot     String output   zdt format  formatter     This particular format is ambiguous as to its exact meaning as it lacks any indication of offset-from-UTC or time zone  ISO 8601 If you have any say in the matter  I suggest you consider using standard ISO 8601 formats rather than rolling your own  The standard format is quite similar to yours  For example 2016-02-20T03 26 32 05 30  The java time classes use these standard formats by default  so no need to specify a pattern  The ZonedDateTime class extends the standard format by appending the name of the time zone  a wise improvement   String output   zdt toString       Example  2007-12-03T10 15 30 01 00 Europe Paris   Convert to java sql You can convert from java time back to java sql Timestamp  Extract an Instant from the ZonedDateTime  New methods have been added to the old classes to facilitate converting to from java time classes  java sql Timestamp ts   java sql Timestamp from  zdt toInstant          About java time The java time framework is built into Java 8 and later  These classes supplant the troublesome old legacy date-time classes such as java util Date  Calendar   amp  SimpleDateFormat  The Joda-Time project  now in maintenance mode  advises migration to the java time classes  To learn more  see the Oracle Tutorial  And search Stack Overflow for many examples and explanations  Specification is JSR 310  You may exchange java time objects directly with your database  Use a JDBC driver compliant with JDBC 4 2 or later  No need for strings  no need for java sql   classes  Where to obtain the java time classes   Java SE 8  Java SE 9  Java SE 10  Java SE 11  and later  - Part of the standard Java API with a bundled implementation  Java 9 adds some minor features and fixes  Java SE 6 and Java SE 7 Most of the java time functionality is back-ported to Java 6  amp  7 in ThreeTen-Backport  Android Later versions of Android bundle implementations of the java time classes  For earlier Android   lt 26   the ThreeTenABP project adapts ThreeTen-Backport  mentioned above   See How to use ThreeTenABP      The ThreeTen-Extra project extends java time with additional classes  This project is a proving ground for possible future additions to java time  You may find some useful classes here such as Interval  YearWeek  YearQuarter  and more

User · Answer

A more appropriate approach is to specify a Locale region as a parameter in the constructor  The example below uses a US Locale region  Date formatting is locale-sensitive and uses the Locale to tailor information relative to the customs and conventions of the user s region Locale  Java Platform SE 7   String timeStamp   new SimpleDateFormat  yyyy MM dd HH mm ss   Locale US  format new Date

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Use java util Date class instead of Timestamp   String timeStamp   new SimpleDateFormat  yyyy MM dd HH mm ss   format new Date       This will get you the current date in the format specified

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Replace   new Timestamp      with  new java util Date     because there is no default constructor for Timestamp  or you can do it with the method   new Timestamp System currentTimeMillis

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You can make use of java util Date instead of Timestamp     String timeStamp   new SimpleDateFormat  yyyy MM dd HH mm ss   format new Date

[java] How to get current timestamp in string format in Java? "yyyy.MM.dd.HH.mm.ss"

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