using System;namespace _067_var推断类型{    class Program    {        static void Main(string[] args)        {            //var:根据值能够推断其类型            //c#是一门强类型语言:在代码当中,必须对每一个变量的类型有一个明确的定义            var n1 = 15;            var n2 = 3.14;            var n3 = '男';            var n4 = "字符串";            var n5 = true;            var n6 = 1000m;            Console.WriteLine(n1.GetType());            Console.WriteLine(n2.GetType());            Console.WriteLine(n3.GetType());            Console.WriteLine(n4.GetType());            Console.WriteLine(n5.GetType());            Console.WriteLine(n6.GetType());            //var input;            //input = "";//在使用var变量时,必须要初始化赋值            //js是一门弱类型语言:            Console.ReadKey();        }    }}