C#/.NET实例代码

using System;class Demo {static void Main() {int a = 20, b = 70, c = 40, d = 90;Console.WriteLine({0} {1} {2} {3}, a, b, c, d);

using System;namespace MyApplication {class Factorial {public int display(int n) {int res = 1;while (n != 1) {

using System;class Program {static void Main() {string str = 1001;Console.WriteLine(Integer:+ConvertClass.Convert(str));

using System;class Program {static void Main() {string str = Hello World! Hello!;Console.WriteLine(Occurrence:+Check.CheckOccurrences(str, Hello));