6.20 VAR 万能变量
1 using System; 2 using System.Collections; 3 using System.Collections.Generic; 4 using System.Linq; 5 using System.Text; 6 using System.Threading.Tasks; 7 8 namespace _6._20_万能变量 9 { 10 class Program 11 { 12 static void Main(string[] args) 13 { 14 int a = 10; 15 string b = "10"; 16 Random c = new Random();//格式重点记牢 17 ArrayList d = new ArrayList(); 18 19 20 var aa = 10; 21 var bb = "10"; 22 var cc = new Random();//格式重点记牢 23 var dd = new ArrayList(); 24 25 26 Console.ReadLine(); 27 } 28 } 29 }