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Getting Previous, Current and Next Day Date

In this section, you will learn how to get previous, current and next date in java. The java util package provides the facility of it.

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Getting Previous, Current and Next Day Date

     

In this section, you will learn how to get previous, current and next date in java. The java util package provides the facility of it. 

Description of program:

The following program helps you to get the previous, current and next date to Date() constructor of java.util package. First of all you need put a current date in the GMT format. SimpleDateFormat() changes the GMT format according to user's requirements. For getting the previous date  subtract a day in MILLIS_IN_DAY and add a day for getting the next date.  

Here is the code of program:

import java.util.*;
import java.text.*;

public class GetPreviousAndNextDate{
  public static void main(String[] args) {
  int MILLIS_IN_DAY = 1000 60 60 24;
  Date date = new Date();
  SimpleDateFormat dateFormat = new SimpleDateFormat("dd/MM/yy");
  String prevDate = dateFormat.format(date.getTime() - MILLIS_IN_DAY);
  String currDate = dateFormat.format(date.getTime());
  String nextDate = dateFormat.format(date.getTime() + MILLIS_IN_DAY);
  System.out.println("Previous date: " + prevDate);
  System.out.println("Currnent date: " + currDate);
  System.out.println("Next date: " + nextDate);
  }
}

Download this example.

Output of program:

C:\vinod\Math_package>javac GetPreviousAndNextDate.java

C:\vinod\Math_package>java GetPreviousAndNextDate
Previous date: 17/04/07
Currnent date: 18/04/07
Next date: 19/04/07

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Getting Previous, Current and Next Day Date

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Comments:2
marko
February 28, 2012
be very careful with int type for MILLIS_IN_DAY

it would be better to declare MILLIS_IN_DAY as long because if the above code gets used to calculate couple of days in the past i.e. int numberOfDays = 40; dateFormat.format(date.getTime() - MILLIS_IN_DAY * numberOfDays ); if the numberOfDays is greater than 24 days, milliceconds will be added not subtracted because of the overflow
Indu
May 28, 2012
Getting Previous, Current and Next Day Date

The code shown is not getting complied. The reason is, it is passing date.getTime() to java.text.DateFormatter.formate method and formate method should take Date object.But here date.getTime() will return Long Object. Please do it correct accordingly .

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