Nazmul
Idris, Mar 27 1999.
Description
There is a need at many times to get the Date from a String and also to
turn a Date into a String. In Java2, you have to use the
SimpleDateFormat
class to do this. It allows you to:
- generate a String given a Date
- generate a Date given a String
You have to define the format in which the Date -> String conversion
must
happen. This is done by specifying the format string, eg: "YY MM DD",
simply
results the year, month and date to be output, all separated by spaces.
In Java2, there is no Time class, the time is a part of
the date. If
you just want to know the time, then the SimpleDateFormat string should
be set to something like: "hh:mm:ss a zzz".
Code
import java.util.*;
import java.text.*;
//date code
try{
Date d = new Date();
//this date format is
very condusive to being
used as a filename
SimpleDateFormat sdf = new SimpleDateFormat
(
"yyyy_MM_dd.hh_mm_ss_a.zzz");
String dateString =
sdf.format(d);
System.out.println( dateString );
Date d2 = sdf.parse(
dateString );
System.out.println( d2.toString() );
}
catch(Exception e){
System.out.println( e );
}
|
|
