Dart Switch

main.dart

import 'dart:math';
  
void main() {
  var rng = new Random();
  for (int i = 0; i < 21; i++) {
    var v = rng.nextInt(5);  
    switch (v) {
      case 1:
          print("v=$v first case");
          break;
      case 2:
          print("v=$v second case ");
          break;
      case 3:
      case 4: 
      case 5:
          print("v=$v between 3 and 5");
          break;
      default:
          print("v=$v default case");
          break;
    }
  }
}