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3 min readFeb 21, 2026
Swift

How to Sort Arrays

Sort arrays using sort and sorted.

Steps

  1. Paste the code into a Swift file or playground.
  2. Run it once to verify the output.
  3. Adjust the inputs to match your use case.

Copy and paste

import Foundation

var scores = [3, 1, 4, 2]
let ascending = scores.sorted()

scores.sort(by: >)
print(ascending)
print(scores)

Notes

  • Keep functions small and focused for reuse.
  • Prefer safe APIs like optionals and guards.