public class ListApp {
  public static int main () {

    int[] a = new int[10];

   // var p = new Person();     // same as: Person p = new Person();
    var s = "hello";          // same as: string s = "hello";
    var l = new List<int>();  // same as: List<int> l = new List<int>();
    l.append(3);
    var i = 10;               // same as: int i = 10;

    return 0;
  }
}