How to convert Calendar to java sql Date in Java

Question

Calendar cal  String sql    INSERT INTO ttable  dt  values         dt is a dateTime field in ttable  PreparedStatement stmt   connection prepareStatement sql    stmt   setDate 1 cal     not working  stmt execute    stmt close      I would like to convert cal to a Date type to insert into table

User · Answer

Calendar cal   Calendar getInstance      This to obtain today s date in our Calendar var   java sql Date date   new Date  cal getTimeInMillis

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stmt setDate 1  new java sql Date cal getTime   getTime

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Here is a simple way to convert Calendar values into Date instances   Calendar C   new GregorianCalendar 1993 9 21    Date DD   C getTime     System out println DD

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Converting is easy  setting date and time is a little tricky  Here s an example   Calendar cal   Calendar getInstance    cal set Calendar YEAR  2000   cal set Calendar MONTH  0   cal set Calendar DAY OF MONTH  1   cal set Calendar HOUR OF DAY  1   cal set Calendar MINUTE  1   cal set Calendar SECOND  0   cal set Calendar MILLISECOND  0   stmt setDate 1  new java sql Date cal getTimeInMillis

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Use stmt setDate 1  new java sql Date cal getTimeInMillis

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I found this code works      SimpleDateFormat sdf   new SimpleDateFormat  yyyy MMM dd HH mm ss        Calendar calendar   new GregorianCalendar 2013 0 31   System out println sdf format calendar getTime          you can find the rest in this tutorial  http   www mkyong com java java-date-and-calendar-examples

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There is a getTime   method  unsure why it s not called getDate   Edit  Just realized you need a java sql Date  One of the answers which use cal getTimeInMillis   is what you need

User · Answer

Did you try cal getTime    This gets the date representation   You might also want to look at the javadoc

[java] How to convert Calendar to java.sql.Date in Java?

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