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stream has already been operated upon の原因と直し方

Streamは1回しか終端操作できません。

 1  import java.util.List;
 2  import java.util.stream.Stream;
 3  
 4  public class Main {
 5      public static void main(String[] args) {
 6          Stream<Integer> s = List.of(1, 2, 3).stream();
 7          System.out.println(s.count());
 8          System.out.println(_________________________.count());
                                           ^
 9      }
10  }