static void Main(string[] args)

        {

            object m1 =1 ;

            object m2 = 1;

            Console.WriteLine(m1==m2); // False;因为比较的是引用,肯定不是同一个对象.

            Console.WriteLine(m1.Equals(m2)); //True. 因为比较的是对象对应的值.

            Console.Read();

}

例子2:

  static void Main(string[] args)

        {

            string str1 = "ZhangSan";

            string str2 = "ZhangSan";

            string str3 = new string(new char[] { 'z', 'h' });

            string str4 = new string(new char[] { 'z', 'h'});

            Console.WriteLine("str1 == str2  " + (str1 == str2).ToString()); //True

            Console.WriteLine("str1 Equals str2  " + str1.Equals(str2));//True

            Console.WriteLine("str3 == str4 " + (str3 == str4).ToString());//True

            Console.WriteLine("str3 Equals str4 " + str3.Equals(str4));          //True.

            Console.Read();

        } //总结: 因为string重写了==方法.用于比较值.

static void Main(string[] args)

        {

            object m1 = 1;

            object m2 = 1;

            // ValueType是引用类型，因为它是类，所以返回为false

            Console.WriteLine(typeof(ValueType).IsValueType); //False. ValueType是类!!!

            Console.WriteLine(m1.GetType().IsValueType);//Ture

            Console.Read();

        }