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(); } }}