compare to Dates only

Posted on 2004-04-08
Last Modified: 2008-03-03

 I have 2 java.util.Date objects
I want to compare those 2 dates
I am using the following statement

int result = stDt.compareTo(endDt);

i am wondering sometimes even though both the dates are same, it's returning -1
I don't understanding why it's returning zero sometimes and -1 sometimes
even though both the dates are same.

Basically i need a function which should comapare 2 dates. it should give me true if both the dates have same yyyy-MM-dd, even though they have different HH:mm:ss.
It should compare only date part, not time part.

i guess you got my requirement.

Is there any such method in Java?

I appreciate your help!

Question by:mvkraju
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
LVL 30

Expert Comment

ID: 10787478
> even though both the dates are same.
are you sure about that?
the "Date" does not only represent a date, but also a time (with hours, minutes, seconds and milliseconds).
LVL 92

Expert Comment

ID: 10787524
If you don't care about the time part then you could use java.sql.Date

int result = new java.sql.Date(stDt.getTime()).compareTo(new java.sql.Date(endDt.getTime()));

Accepted Solution

JavaInTheMorning earned 20 total points
ID: 10787614
import java.util.Calendar;
private boolean compareDates(Date date1, Date date2)
      Calendar calendar1 = Calendar.getInstance();
      Calendar calendar2 = Calendar.getInstance();
      return (calendar1.get(Calendar.DATE) == calendar2.get(Calendar.DATE) &&
                 calendar1.get(Calendar.MONTH) == calendar2.get(Calendar.MONTH) &&
                 calendar1.get(Calendar.YEAR) == calendar2.get(Calendar.YEAR));

Calendar API:

To add time comparison, use other constants of Calendar.


Expert Comment

ID: 10787689

Expert Comment

ID: 10790060
you cant compare two dates directly, further here is an example which i have done in my old projects..

// systemdate
                 String systDate = Pyear+"/"+Pmonth+"/"+Pdate ;

//user selected date
             String wholepath = year+"/"+month+"/"+day ;

//one fixed date
             String fixDate = "2001/11/24" ;
            DateFormat df = new SimpleDateFormat("yyyy/MM/dd");
            Date sys = null;
            try {
                  sys = df.parse(systDate);
            } catch (ParseException e) {
            Date pre = null;
            try {
                  pre = df.parse(wholepath);
            } catch (ParseException e1) {
            Date pas = null;
            try {
                  pas = df.parse(fixDate);
            } catch (ParseException e1) {

compare it as,

                        if(pre.after(sys)) {
                  else if(pre.before(pas)) {
                  else {

hope i could help!!

Featured Post

Free Tool: Subnet Calculator

The subnet calculator helps you design networks by taking an IP address and network mask and returning information such as network, broadcast address, and host range.

One of a set of tools we're offering as a way of saying thank you for being a part of the community.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Suggested Solutions

Title # Comments Views Activity
ejb example issues 3 85
Convert from a json string array to a Java object 3 76
Chrome and Firefox Java 5 86
glassfish admin console 1 45
By the end of 1980s, object oriented programming using languages like C++, Simula69 and ObjectPascal gained momentum. It looked like programmers finally found the perfect language. C++ successfully combined the object oriented principles of Simula w…
Java Flight Recorder and Java Mission Control together create a complete tool chain to continuously collect low level and detailed runtime information enabling after-the-fact incident analysis. Java Flight Recorder is a profiling and event collectio…
Viewers learn about the scanner class in this video and are introduced to receiving user input for their programs. Additionally, objects, conditional statements, and loops are used to help reinforce the concepts. Introduce Scanner class: Importing…
Viewers learn how to read error messages and identify possible mistakes that could cause hours of frustration. Coding is as much about debugging your code as it is about writing it. Define Error Message: Line Numbers: Type of Error: Break Down…
Suggested Courses

739 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question