convertion of format not working

[santhu1]

Hi Friends,

I have one due_date variable as string we are declaring . we get the value from service as "2014-02-17T00:00:00:0" LIKE
but, i want the format like '17-FEB-14' as string why because i need to pass this value as string to another method.
how can i acheive it.

i wrote like this.

StringTokenizer st = new StringTokenizer(due_date, "T");
      String str = st.nextToken();
      SimpleDateFormat formatter5=new SimpleDateFormat("dd-MMM-yyyy");
       due_date2 = formatter5.format(str);

but i got error here, due_date2 = formatter5.format(str);
as can not pass object to date like

[chaarmann]

You are trying to parse "2014-02-17" with "dd-MMM-yyyy". Of course that is not possible! (Just notice that "17-Feb-2014" would be successfully parsed!) Just read about SimpleDateFormat and the meaning of "dd", "MMM" and "yyyy" and change it so it will parse correctly.
Second step: You don't need a String tokenizer. Just giving the right format string is enough.

To make it clear:
Don't be confused with original format and desired format.
First parse the original string (original format) into a date object
Second print the date object in desired format.

[santhu1]

Hi chaarmann,

thanks for reply i have done some changes it is working fine now.

StringTokenizer st = new StringTokenizer(due_date, "T");
    String str = st.nextToken();
        DateFormat fromFormat = new SimpleDateFormat("yyyy-MM-dd");
 
    DateFormat toFormat = new SimpleDateFormat("dd-MMM-yy");
 
    Date date = fromFormat.parse(str);
    due_date2=toFormat.format(date);

[chaarmann]

Nearly perfect. That means, it works, but does unnecessary stuff.
Just remove the StringTokenizer. That means, delete line 1 and 2.
In line 5, use the date-string directly, that means change it to "Date date = fromFormat.parse(due_date);"
Please notice that the parser will ignore all characters given after the parse pattern. That means in your case it will ignore everything after the day "dd", so you do not need to separate the time from the date before by splitting the string.