convert string date to a date object

Question

How can this 11/03/2009-20:06:16 to a Date object so I can compare two dates. I keep getting java.lang.IllegalArgumentException: Cannot format given Object as a Date error if I use below implementation.. I need the output to be date object with format Tue Jul 14 01:32:31 2009

  import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;

public class Dateaf {

    /**
     * @param args
     * @throws ParseException
     */
    public static void main(String[] args) throws ParseException {
        // TODO Auto-generated method stub

        String text = "11/03/2009-20:06:16";

        SimpleDateFormat dateParser = new SimpleDateFormat("MM/dd/yyyy-hh:mm:ss");

        Date date = dateParser.parse(text);
        System.out.println(date);

    }

}

http://stackoverflow.com/questions/1543481/how-to-convert-string-object-to-date-object — Madara, Apr 14 '13 at 21:49

score 3 · Answer 1 · answered Apr 14 '13 at 21:50

3

sdf.format() takes a Date object and returns a String. You are passing a String to it.

answered Apr 14 '13 at 21:50

SJuan76

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I need the output to be date object with format Tue Jul 14 01:32:31 2009 – jrdnsingh89 Apr 14 '13 at 21:56
The date object has no format, it is just a `long` with the number of milliseconds since 1/1/1970. Use a `SimpleDateFormat` to convert the `String` to `Date`, and **another `SimpleDateFormat`** to convert the `Date` to the `String` with the desired format. – SJuan76 Apr 14 '13 at 21:58
I get this error Unparseable date: "11-03-2009 20:06:16".. – jrdnsingh89 Apr 14 '13 at 21:59
I need the date object to be Tue Jul 14 01:32:31 2009. how can I do that? – jrdnsingh89 Apr 14 '13 at 22:01
You need to you `HH` for 24 hour clock rather than `hh` - that's 12 hour. – Boris the Spider Apr 14 '13 at 22:02

Boris the Spider · Answer 2 · 2013-04-14T22:19:18.003

You are very close, just drop the call to format:

Date date = sdf.parse(text);

So:

String text = "11-03-2009 20:06:16";

SimpleDateFormat dateParser = new SimpleDateFormat("MM-dd-yyyy HH:mm:ss");
                                                             //^^ capital H for 24 hour  

Date date = dateParser.parse(text);

And to print (from your comment in the format "Tue Jul 14 01:32:31 2009"):

SimpleDateFormat dateFormatter = new SimpleDateFormat("EE MM dd HH:mm:ss yyyy");

System.out.println(dateFormatter.format(date));

The SimpleDateFormat javadoc is an excellent reference for formats.

EDIT

After OP's edits here is a full example

public static void main(String[] args) throws ParseException {
    final String text = "11/03/2009-20:06:16";
    final SimpleDateFormat dateParser = new SimpleDateFormat("MM/dd/yyyy-HH:mm:ss");
    final Date date = dateParser.parse(text);
    final SimpleDateFormat dateFormatter = new SimpleDateFormat("EE MMM dd HH:mm:ss yyyy");
    System.out.println(dateFormatter.format(date));
}

Output:

Tue Nov 03 20:06:16 2009

In the incoming format? change `MM-dd-yyyy HH:mm:ss` to `MM/dd/yyyy HH:mm:ss`. — Boris the Spider, Apr 14 '13 at 22:13
one more problem HH and hh has not effect I have updated the code.. — jrdnsingh89, Apr 14 '13 at 22:14

Madara · Answer 3 · 2013-04-15T03:00:57.150

-1

Java has the text package which gives us the predefined class text

import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;

public class Main {
public static void main(String[] args) throws Exception{
DateFormat df = new SimpleDateFormat("dd/MM/yyyy");

Date today = df.parse("20/12/2005");
System.out.println("Today = " + df.format(today));
}
}

There is another way of doing this

String date = "2000-11-01";
java.sql.Date javaSqlDate = java.sql.Date.valueOf(date);

edited Apr 15 '13 at 03:00

answered Apr 14 '13 at 21:52

Madara

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Please add more detail – Cole Tobin Apr 14 '13 at 22:21

convert string date to a date object

3 Answers3