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How to create an array of dates starting with today and going back the last 30 days in Scala

1 Answer

0 votes
import java.time.LocalDate
import java.time.format.DateTimeFormatter

object Last30Days {
  def main(args: Array[String]): Unit = {
    // Get today's date
    val today = LocalDate.now()

    // Define a formatter for the full date
    val formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd")

    // Create an array to store the full dates
    val dates = Array.ofDim[String](30)

    // Populate the array with the last 30 full dates
    for (i <- dates.indices) {
      val pastDate = today.minusDays(i) // Subtract 'i' days
      dates(i) = pastDate.format(formatter) // Format the date and store it
    }

    println("Dates:")
    for (date <- dates) {
      println(date)
    }
  }
}

  
     
/*
run:
  
Dates:
2025-04-11
2025-04-10
2025-04-09
2025-04-08
2025-04-07
2025-04-06
2025-04-05
2025-04-04
2025-04-03
2025-04-02
2025-04-01
2025-03-31
2025-03-30
2025-03-29
2025-03-28
2025-03-27
2025-03-26
2025-03-25
2025-03-24
2025-03-23
2025-03-22
2025-03-21
2025-03-20
2025-03-19
2025-03-18
2025-03-17
2025-03-16
2025-03-15
2025-03-14
2025-03-13

*/

 



answered Apr 11, 2025 by avibootz
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