Compare dates (This String 23/10/02 is less than this string 10/12/03)

Can someone Please help me with this
I have a xml licence file with a Expiry Date which I pull out into a String called licenceDate.
I also set a String called getSystemDate which uses this code to get the system Date.
DateFormat getSystemDate = new SimpleDateFormat("dd/MM/yy");
systemDate = getSystemDate.format(new Date());
And this is what those to look like from System.out.Println();
This is licence Date from Orders 23/10/02 System Date 10/12/03
Now what I need to do is Compare the 2 date strings to check if the licenceDate string is less that the getSystemDate.
If the licenceDate is less the system date it then displays a Dialog that says your licence has Expired.
Can anyone help me with some code to do this
All I need is to Compare the to dates.
Thanks
Craig

der Hosenscheisser, I'm not sure if I believe you but just in case you have read the API, look at the method:
public java.lang.boolean java.util.Calendar.before(java.lang.Object x)

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hi to all
i created a java program for validateing two date
start date should be less than end date
end date should be greater than start date
and here is my code
<code>
package src;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
     class compareDates
//          Compare two dates
public static boolean compareDates(Date dDateA, Date dDateB)
// Declare variables
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GregorianCalendar cDateB = new GregorianCalendar();
// Set dates
cDateA.setTime(dDateA);
cDateB.setTime(dDateB);
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if (cDateA.get(Calendar.MONTH) == cDateB.get(Calendar.MONTH) && cDateA.get(Calendar.YEAR) == cDateB.get(Calendar.YEAR) && cDateA.get(Calendar.DAY_OF_MONTH) == cDateB.get(Calendar.DAY_OF_MONTH))
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System.out.println("Enter correct Date");
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     public static void main(String args[])
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     System.out.println("Enter End Date ");
     String dDateB= br.readLine();
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</code>
and i am getting error in this line
cd.compareDates(ddateA,dDateB);
if any one knows plz help me

this is my error in console
javac compare.javacompares.java:46: compareDates(java.util.Date,java.util.Date) in compareDates cannot be applied to (java.lang.String,java.lang.String)
cd.compareDates(dDateA,dDateB);
suggection
in passing arguments i am passing date, but in main i am calling date as string
if u know how to rectify it plz tel me
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can i use to_char to compare date
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Hi,
there are numerous ways to compare dates, i give you some examples:
with data_Sample as
(select to_date('01-jan-2001','dd-mon-yyyy') d1, to_date('01-mar-2002','dd-mon-yyyy') d2, to_date('03-feb-2002','dd-mon-yyyy') d3 from dual)
select greatest(d1,d2,d3) from data_Sample
GREATEST(D1,D2,D3)
3/1/2002
with data_Sample as
(select to_date('01-jan-2001','dd-mon-yyyy') d1 from dual union all
select to_date('01-mar-2002','dd-mon-yyyy')   from dual union all
select to_date('03-feb-2002','dd-mon-yyyy') from dual)
select max(d1) from data_Sample
MAX(D1)
3/1/2002
declare
d1 date :=to_date('01-jan-2001','dd-mon-yyyy');
d2 date :=to_date('01-jan-2001','dd-mon-yyyy');
begin
if d1>d2 then
dbms_output.PUT_LINE('d1 greater than d2');
else
dbms_output.PUT_LINE('d1 less or equql than d2');
end if;
end;
output:
d1 less or equal than d2now concerning your question:
>
can i use to_char to compare date
>
If you have date data types : don't convert them.
if you have no choice, use something like:
if to_char(d1,'YYYYMMDD') > to_char(d2,'YYYYMMDD') then
else
end if;Take care when you convert a date into a char format it becomes string comparison (with all it implies) (It's the reason why i've use an explicit mask format).

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Hi,
I have an inout string which is in date format(dd/mm/yyyy hh:mm:ss) .
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regards

Excellent suggestions from all of you people!
finally i got the solution
code is:
import java.util.*;
import java.text.*;
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public static void main(String args[]){
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TestDate() {
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hi all, the below code has one error in compare date : today >= expiredate. In this program, i want to compare if today is greater than expiredate, then status = overdue write to table named totalday. thanks
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
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[\code]

Thanks for your reply. it got no error, but the code changed status to 'overdue' at all fields of status include the date '30/04/2004. is the code something wrong??Thanks
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hi ,
I am writting a program in which i take 2 user input for the date in string format ie dd/mm/yyyy.,
1st is taking loan date
2nd is return date
-> now i need to compare them if they are the same date.
-> if they are different . 2/10/2006 and 6/10/2006
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When you post code, please wrap it in [code] tags so it's legible.
-> if they are different . 2/10/2006 and 6/10/2006
i need to increament the date and calculate the
charge for the period.What do you mean "increment the date"? I can see what that could mean, but how is that relevant to figuring out the interval?
> String loanDate = new String (stdin.nextLine());That "new String" is unnecessary, assuming that nextLine() returns a String which it probably does.
> StringTokenizer loanDateString = new StringTokenizer(loanDate,"/");
>
day = Integer.parseInt(loanDateString.nextToken());
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> loandate = Calendar.getInstance();Having two variables whose names differ only in the case of a single letter is ugly, hard to maintain, and bug-prone.
ut the problem is in "if condition" it never returns
true as there is always a time difference ....how do
i compare only date and not the time.You could compare just the int fields of the year, month and day, and not use Calendar objects at all. Since you're doing the parsing yourself you might as well use them.
Another option however is just to compare whether the return is after the start or not. Use the .after() or before() method (on either Calendar or java.util.Date).
So ultimately I think you should:
1) use java.text.SimpleDateFormat to do the formatting, and then store two Date objects
2) compare the two Date objects using before() or after(), like this:
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