I'm retrieving a timestamp object from a database using ResultSet.getTimestamp()
, but I'd like an easy way to get the date in the format of MM/DD/YYYY
and the time in a format of HH:MM xx
. I was tinkering around, it it looks as though I can do such by making use of the Date and/or DateTime objects within Java. Is that the best way to go, or do I even need to convert the timestamp to accomplish this? Any recommendations would be helpful.
....
while(resultSet.next()) {
Timestamp dtStart = resultSet.getTimestamp("dtStart");
Timestamp dtEnd = resultSet.getTimestamp("dtEnd");
// I would like to then have the date and time
// converted into the formats mentioned...
....
}
....
You can simply use the fromtimestamp function from the DateTime module to get a date from a UNIX timestamp. This function takes the timestamp as input and returns the corresponding DateTime object to timestamp.
You can use the datetime module's combine method to combine a date and a time to create a datetime object. If you have a date object and not a time object, you can initialize the time object to minimum using the datetime object(minimum time means midnight).
Import the “datetime” file to start timestamp conversion into a date. Create an object and initialize the value of the timestamp. Use the ” fromtimestamp ()” method to place either data or object. Print the date after conversion of the timestamp.
import java.sql.Timestamp;
import java.text.SimpleDateFormat;
import java.util.Date;
public class DateTest {
public static void main(String[] args) {
Timestamp timestamp = new Timestamp(System.currentTimeMillis());
Date date = new Date(timestamp.getTime());
// S is the millisecond
SimpleDateFormat simpleDateFormat = new SimpleDateFormat("MM/dd/yyyy' 'HH:mm:ss:S");
System.out.println(simpleDateFormat.format(timestamp));
System.out.println(simpleDateFormat.format(date));
}
}
java.sql.Timestamp
is a subclass of java.util.Date
. So, just upcast it.
Date dtStart = resultSet.getTimestamp("dtStart");
Date dtEnd = resultSet.getTimestamp("dtEnd");
Using SimpleDateFormat
and creating Joda DateTime
should be straightforward from this point on.
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