Java Examples - Display week number of the year


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Problem Description

How to find which week of the year, month?

Solution

The following example displays week no of the year & month.

import java.util.*;

public class Main {
   public static void main(String[] args) throws Exception {
      Date d1 = new Date();
      Calendar cl = Calendar. getInstance();
      cl.setTime(d1);
      
      System.out.println("today is " + cl.WEEK_OF_YEAR+ " week of the year");
      System.out.println("today is a "+cl.DAY_OF_MONTH + "month of the year");
      System.out.println("today is a "+cl.WEEK_OF_MONTH +"week of the month");
   }
}

Result

The above code sample will produce the following result.

today is 30 week of the year
today is a 5month of the year
today is a 4week of the month

The following is an another example of week of the year, month.

import java.util.Calendar;
 
public class GetWeekOfMonthAndYear {
   public static void main(String[] args) {
      Calendar cal = Calendar.getInstance();
      System.out.println("Current week of month is : " +cal.get(Calendar.WEEK_OF_MONTH));
      System.out.println("Current week of year is : " +cal.get(Calendar.WEEK_OF_YEAR));
      cal.add(Calendar.WEEK_OF_MONTH, 1);
      System.out.println(
         "date after one year : " + (cal.get(Calendar.MONTH) + 1)+ "-"+ cal.get(Calendar.DATE)+ "-"+ cal.get(Calendar.YEAR)); 
   }
}

The above code sample will produce the following result.

Current week of month is : 2
Current week of year is : 46
date after one year : 11-18-2016

java_date_time.htm

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