Date compare java fail
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while comparing future days it occurs some fail in Java. Look at the code if you can
DateFormat dateFormat = new SimpleDateFormat("yyyy-mm-dd"); Date date = dateFormat.parse("2258-11-01"); Date date1 = dateFormat.parse("2258-10-31"); System.out.println(date.after(date1));
Anyone has idea why it does't work?
m format represents a minute in the hour. You probably meant to use
M, representing the month in the year:
DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd");
How to Compare Two Dates in Java? Check If They Are Equal, Later , The Date class of java.util package implements Serializable, Cloneable and Comparable interface. It provides constructors and methods to deal with date and time Date.getTime() always returns a long of ms since the epoch. – Seth Nov 4 '09 at 6:02 1 This will fail if one value is 3.999 seconds and the other 4.000.
You should use the capital MM for month, overwise it does not parse like you want it to.
Compare Date, Calendar or String date in Android, We're going to compare two LocalDate objects by utilizing the isAfter(), isBefore(), and isEqual() methods, as well as equals() and compareTo(). Since Date implements Comparable<Date>, it is as easy as: date1.compareTo(date2); As the Comparable contract stipulates, it will return a negative integer/zero/positive integer if date1 is considered less than/the same as/greater than date2 respectively (ie, before/same/after in this case).
Comparing two Time in Strings, are equal, it returns a value "greater than 0" if date1 is after date2 and it returns a value "less than 0" if date1 is before date2. I want to compare two dates neglecting there timestamp, means if two dates point to same 11th Feb then they should be equals (date1.after(date2) and date1.before(date2) both should be false). I want the better way of doing it , currently I am doing it as setting hour,minute,second,millisecond as 0 and AM to both of the times and then comparing it.
How do you check if one date is greater than another in Java? Following is the declaration for java.util.Date.compareTo() method. public int compareTo(Date anotherDate) Parameters. anotherDate − date to be compared to. Return Value. 0 if the argument Date is equal to this Date; a value less than 0 if this Date is before the Date argument; and a value greater than 0 if this Date is after the Date argument. Exception
class, or you can use before() and after() method of Calendar class. A classic method to compare two java.util.Date in Java. Return value is 0 if both dates are equal. Return value is greater than 0, if Date is after the date argument. Return value is less than 0, if Date is before the date argument.
string using ':'. then parse hour and minute into integer. then calculate the duration. How do I compare dates in between in Java? Example: date1 is 22-02-2010 date2 is 07-04-2010 today date3 is 25-12-2010 date3 is always greater than date1 and date2 is always today. How do I v
- You should use
yyyy-MM-dd, month character is invalid,
mis for minutes, so you were using january first, and january 31st with 00:11, and 00:10 respectively, check here for pattern syntax
- Documentation is your friend: docs.oracle.com/en/java/javase/11/docs/api/java.base/java/text/…
- FYI, the terribly troublesome old date-time classes such as
java.text.SimpleDateFormatare now legacy, supplanted by the java.time classes built into Java 8 and later. See Tutorial by Oracle.