在C#中定义自定义方法，使用以下语法 −
(Parameter List) {Method Body}
The following are the various elements of a method −
Access Specifier − This determines the visibility of a variable or a method from another class.
Return type − A method may return a value. The return type is the data type of the value the method returns. If the method is not returning any values, then the return type is void.
Method name − Method name is a unique identifier and it is case sensitive. It cannot be same as any other identifier declared in the class.
Parameter list − Enclosed between parentheses, the parameters are used to pass and receive data from a method. The parameter list refers to the type, order, and number of the parameters of a method. Parameters are optional; that is, a method may contain no parameters.
Method body − This contains the set of instructions needed to complete the required activity.
Let us see an example −
Example
Live Demo
using System;namespace Demo { class NumberManipulator { public int FindMax(int num1, int num2) { /* local variable declaration */ int result; if (num1 > num2) result = num1; else result = num2; return result; } static void Main(string[] args) { /* local variable definition */ int a = 90; int b = 15; int ret; NumberManipulator n = new NumberManipulator(); //calling the FindMax method ret = n.FindMax(a, b); Console.WriteLine("Max value is : {0}", ret ); Console.ReadLine(); } }}
输出
Max value is : 90
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