C#赋值运算符

using System;

namespace OperatorsAppl {

   class Program {

      static void Main(string[] args) {
         int a = 21;
         int c;
         c = a;
         Console.WriteLine(Line 1 - =  Value of c = {0}, c);

         c += a;
         Console.WriteLine(Line 2 - += Value of c = {0}, c);

         c -= a;
         Console.WriteLine(Line 3 - -=  Value of c = {0}, c);

         c *= a;
         Console.WriteLine(Line 4 - *=  Value of c = {0}, c);

         c /= a;
         Console.WriteLine(Line 5 - /=  Value of c = {0}, c);

         c = 200;
         c %= a;
         Console.WriteLine(Line 6 - %=  Value of c = {0}, c);

         c <<= 2;
         Console.WriteLine(Line 7 - <<=  Value of c = {0}, c);

         c >>= 2;
         Console.WriteLine(Line 8 - >>=  Value of c = {0}, c);

         c &= 2;
         Console.WriteLine(Line 9 - &=  Value of c = {0}, c);

         c ^= 2;
         Console.WriteLine(Line 10 - ^=  Value of c = {0}, c);

         c |= 2;
         Console.WriteLine(Line 11 - |=  Value of c = {0}, c);
         Console.ReadLine();
      }
   }
}