How to convert date to string and to date again

Question

Hi i want to convert the current date to this format YYYY-MM-DD  However  it will convert the date into String format  but i want to convert it back into Date format  So can anyone advise on this   This is my code so far   DateFormat dateFormat   new SimpleDateFormat  yyyy-MM-dd     Date date   new Date     String datestring   dateFormat format date

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Use DateFormat parse String    Date date   dateFormat parse  2013-10-22

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tl dr     How to convert date to string and to date again    LocalDate now   toString        2017-01-23      and     LocalDate parse   2017-01-23      java time  The Question uses troublesome old date-time classes bundled with the earliest versions of Java  Those classes are now legacy  supplanted by the java time classes built into Java 8  Java 9  and later    Determining today   s date requires a time zone  For any given moment the date varies around the globe by zone    If not supplied by you  your JVM   s current default time zone is applied  That default can change at any moment during runtime  and so is unreliable  I suggest you always specify your desired expected time zone    ZoneId z   ZoneId of   America Montreal      LocalDate ld   LocalDate now  z       ISO 8601  Your desired format of YYYY-MM-DD happens to comply with the ISO 8601 standard    That standard happens to be used by default by the java time classes when parsing generating strings  So you can simply call LocalDate  parse and LocalDate  toString without specifying a formatting pattern    String s   ld toString       To parse   LocalDate ld   LocalDate parse  s         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   Where to obtain the java time classes     Java SE 8  Java SE 9  and later   Built-in   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   Much of the java time functionality is back-ported to Java 6  amp  7 in ThreeTen-Backport   Android   The ThreeTenABP project adapts ThreeTen-Backport  mentioned above  for Android specifically  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

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Convert Date to String using this function  public String convertDateToString Date date  String format            String dateStr   null          DateFormat df   new SimpleDateFormat format           try               dateStr   df format date             catch  Exception ex                System out println ex                     return dateStr          From Convert Date to String in Java   And convert string to date again  public Date convertStringToDate String dateStr  String format            Date date   null          DateFormat df   new SimpleDateFormat format           try               date   df parse dateStr             catch  Exception ex                System out println ex                     return date          From Convert String to date in Java

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try this function  public static Date StringToDate String strDate  throws ModuleException       Date dtReturn   null      SimpleDateFormat simpleDateFormat   new SimpleDateFormat  yyyy-mm-dd        try           dtReturn   simpleDateFormat parse strDate         catch  ParseException e            e printStackTrace              return dtReturn

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try this    String DATE FORMAT NOW    yyyy-MM-dd    Date date   new Date     SimpleDateFormat sdf   new SimpleDateFormat DATE FORMAT NOW    String stringDate   sdf format date        try           Date date2   sdf parse stringDate         catch ParseException e          Exception handling       catch Exception e          handle exception

User · Answer

For converting date to string check this thread  Convert java util Date to String  And for converting string to date try this   import java text ParseException  import java text SimpleDateFormat   public class StringToDate       public static void main String   args  throws ParseException               SimpleDateFormat sdf   new SimpleDateFormat  dd MM yyyy hh mm ss            String strDate    14 03 2003 08 05 10                System out println  Date -     sdf parse strDate

[java] How to convert date to string and to date again?

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