Question

How to calculate the week number for a given date in Scala

Answer 1

import java.time.LocalDate
import java.time.temporal.WeekFields
import java.util.Locale

def getWeekNumber(date: String): Int = {
  val localDate = LocalDate.parse(date)
  val weekFields = WeekFields.of(Locale.getDefault)
  
  localDate.get(weekFields.weekOfWeekBasedYear())
}


val date = "2025-03-15"
val weekNumber = getWeekNumber(date)

println(s"Week number for $date is: $weekNumber")


 
/*
run:

Week number for 2025-03-15 is: 11
  
*/

 

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