C#基础整理参数基本概念把数据传入方法中,可以使方法有多个返回值。
参数的传递值参数,通过将实参的值复制到形参的方式传递数据。值参数的实参可以是变量或者是表达式
下面是一个简单的值参数传递的过程
1 class PRogram 2 { 3 static void Main(string[] args) 4 { 5 SomeData v1 = new SomeData(); 6 int v2 = 30; 7 Console.WriteLine("v1.value:{0},v2:{1}", v1.value, v2); 8 Calculate(v1, v2); 9 Console.WriteLine("v1.value:{0},v2:{1}", v1.value, v2);10 11 }12 13 static void Calculate(SomeData p1, int p2)14 {15 Console.WriteLine("p1.value:{0},p2:{1}", p1.value, p2);16 p1.value += 50;17 p2 += 50;18 Console.WriteLine("p1.value:{0},p2:{1}", p1.value, p2);19 }20 }21 22 class SomeData23 {24 public int value = 100;25 }
1、在调用void Calculate(SomeData p1, int p2)方法之前,系统为v1和v2分配内存,v1的引用和v2存储在栈中,v1的数据存储在堆中(PS:手绘的图字写的丑,图也画的丑,这辈子与美术无缘)
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