java Compare two dates

Question

I want to compare two dates and check if the date has expired or not   Here is the code I used    SimpleDateFormat sdf   new SimpleDateFormat  yyyy-MM-dd hh ss ii    Date date1   sdf parse  20012-10-4 10 15 25    Date date2   sdf parse  2013-10-4 10 15 25     if date1 equals date12        System out println  Both are equals        I want to check the two dates but without success   I also tried to check it like that    if date1  gt   date2       System out println  Both are not equals        But it s not working either

User · Answer

You should look at compareTo function of Date class   JavaDoc

User · Answer

You can use   date1 before date2     or   date1 after date2

User · Answer

Try using this Function It Will help You -      public class Main      public static void main String args                  Date today new Date                           Date myDate new Date today getYear   today getMonth  -1 today getDay       System out println  My Date is  myDate         System out println  Today Date is  today     if today compareTo myDate  lt 0       System out println  Today Date is Lesser than my Date      else if today compareTo myDate  gt 0       System out println  Today Date is Greater than my date       else      System out println  Both Dates are equal

User · Answer

java util Date class has before and after method to compare dates   Date date1   new Date    Date date2   new Date     if date1 before date2          Do Something    if date1 after date2          Do Something else

User · Answer

Read JavaDocs   Use method    Date compareTo

User · Answer

You equals Object o  comparison is correct   Yet  you should use after Date d  and before Date d  for date comparison

[java] java Compare two dates

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