class Program { //虽然是公有字段,但方法中失效。 public static int _number = 10; static void Main(string[] args) { int a = 3; int res = Test(a); Console.WriteLine(res); // Console.WriteLine(_number); Console.ReadKey(); } public static int Test(int a) { a = a + 5; return a; // Console.WriteLine(_number); } public static void TestTwo() { // Console.WriteLine(_number); } }
时间: 2024-08-08 14:22:57