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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. import java.text.SimpleDateFormat;
  8. import java.util.Calendar;
  9. import java.util.Date;
  10. import java.util.Locale;
  11.  
  12.  
  13. /* Name of the class has to be "Main" only if the class is public. */
  14. class Ideone
  15. {
  16. 	public static void main (String[] args) throws java.lang.Exception
  17. 	{
  18. 	System.out.println("Ultimo lunes de Enero 2018 :: " + getLastMondayofMonth(1, 2018)); 
  19.             System.out.println("Ultimo lunes de Febrero 2018 :: " + getLastMondayofMonth(2, 2018)); 
  20.             System.out.println("Ultimo lunes de Marzo 2018 :: " + getLastMondayofMonth(3, 2018)); 
  21.             System.out.println("Ultimo lunes de Abril 2018 :: " + getLastMondayofMonth(4, 2018));
  22.             System.out.println("Ultimo lunes de Mayo 2018 :: " + getLastMondayofMonth(5, 2018)); 
  23.             System.out.println("Ultimo lunes de Junio 2018 :: " + getLastMondayofMonth(6, 2018));
  24.             System.out.println("Ultimo lunes de Julio 2018 :: " + getLastMondayofMonth(7, 2018));
  25. 	}
  26.  
  27. 	private static String getLastMondayofMonth(int month, int year){
  28.     final String DATE_FORMAT_NOW = "dd-MMM-yyyy";
  29.     Calendar cal = Calendar.getInstance();
  30.     SimpleDateFormat sdf = new SimpleDateFormat(DATE_FORMAT_NOW);
  31.  
  32.     int dayofweek;
  33.         cal.set(Calendar.MONTH, month - 1 /* January 0 and so on..*/);
  34.         cal.set(Calendar.DAY_OF_MONTH,cal.getActualMaximum(Calendar.DAY_OF_MONTH));
  35.         cal.set(Calendar.YEAR, year);
  36.     dayofweek =cal.get(Calendar.DAY_OF_WEEK);
  37.     if (dayofweek < Calendar.MONDAY) {
  38.         cal.set(Calendar.DAY_OF_MONTH, cal.get(Calendar.DAY_OF_MONTH) - 7 + Calendar.MONDAY - dayofweek);
  39.     }else {
  40.         cal.set(Calendar.DAY_OF_MONTH, cal.get(Calendar.DAY_OF_MONTH) + Calendar.MONDAY - dayofweek);
  41.     }
  42.     return sdf.format(cal.getTime());
  43. }
  44.  
  45. }
Success #stdin #stdout 0.13s 29884KB
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Ultimo lunes de Enero 2018 :: 29-Jan-2018
Ultimo lunes de Febrero 2018 :: 26-Feb-2018
Ultimo lunes de Marzo 2018 :: 26-Mar-2018
Ultimo lunes de Abril 2018 :: 30-Apr-2018
Ultimo lunes de Mayo 2018 :: 28-May-2018
Ultimo lunes de Junio 2018 :: 25-Jun-2018
Ultimo lunes de Julio 2018 :: 30-Jul-2018
https://ideone.com/Gh3Tcz
language:
Java (HotSpot 12)
created:
5 years ago
visibility:
public

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