Find the last Sunday of each month: Difference between revisions

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=={{header|Kotlin}}==

<lang scala>// version 1.0.6

import java.util.Calendar

import java.util.GregorianCalendar

fun main(args: Array<String>) {

print("Enter a year : ")

val year = readLine()!!.toInt()

println("The last Sundays of each month in $year are as follows:")

val calendar = GregorianCalendar(year, 0, 31)

var daysInMonth: Int

var lastSunday: Int

for (month in 1..12) {

daysInMonth = calendar.getActualMaximum(Calendar.DAY_OF_MONTH)

lastSunday = daysInMonth - (calendar[Calendar.DAY_OF_WEEK] - Calendar.SUNDAY)

println("$year-" + "%02d-".format(month) + "%02d".format(lastSunday))

if (month < 12) {

calendar.add(Calendar.DAY_OF_MONTH, 1)

calendar.add(Calendar.MONTH, 1)

calendar.add(Calendar.DAY_OF_MONTH, -1)

}

}

}</lang>

Sample input/output:

{{out}}

<pre>

Enter a year : 2013

The last Sundays of each month in 2013 are as follows:

2013-01-27

2013-02-24

2013-03-31

2013-04-28

2013-05-26

2013-06-30

2013-07-28

2013-08-25

2013-09-29

2013-10-27

2013-11-24

2013-12-29