运算符重载实例

 1    /**//// <summary>
 2    /// 运算符重载实例
 3    /// </summary>
 4    public class OperatorOverloading
 5    {
 6        
 7        public class AddClass1
 8        {
 9            public int val;
10
11            /**//// <summary>
12            /// +运算符重载
13            /// </summary>
14            /// <param name="op1"></param>
15            /// <param name="op2"></param>
16            /// <returns></returns>
17            public static AddClass1 operator +(AddClass1 op1, AddClass1 op2)
18            {
19                AddClass1 returnVal = new AddClass1();
20                returnVal.val  = op1.val + op2.val;
21                return returnVal;
22            }
23            /**//// <summary>
24            /// -运算符重载
25            /// </summary>
26            /// <param name="op1"></param>
27            /// <param name="op2"></param>
28            /// <returns></returns>
29            public static AddClass1 operator -(AddClass1 op1, AddClass1 op2)
30            {
31                AddClass1 returnVal = new AddClass1();
32                returnVal.val = op1.val - op2.val;
33                return returnVal;
34            }
35            
36        }
37
38
39    }
40
41
42调用方法：
43
44            OperatorOverloading.AddClass1 op1 = new OperatorOverloading.AddClass1();
45            OperatorOverloading.AddClass1 op2 = new OperatorOverloading.AddClass1();
46            OperatorOverloading.AddClass1 op3 = new OperatorOverloading.AddClass1();
47            op1.val = 5;
48            op2.val = 6;
49            op3 = op1 + op2;
50            op3 =op3 - op2;
51