C#类的静态成员

using System;

namespace StaticVarApplication {

   class StaticVar {
      public static int num;

      public void count() {
         num++;
      }

      public int getNum() {
         return num;
      }
   }

   class StaticTester {

      static void Main(string[] args) {
         StaticVar s1 = new StaticVar();
         StaticVar s2 = new StaticVar();
         s1.count();
         s1.count();
         s1.count();
         s2.count();
         s2.count();
         s2.count();
         Console.WriteLine("Variable num for s1: {0}", s1.getNum());
         Console.WriteLine("Variable num for s2: {0}", s2.getNum());
         Console.ReadKey();
      }
   }
}

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