app.cs

来自「c21Examples.rar」· CS 代码 · 共 25 行

// app.cs - A sample C# application
//----------------------------------------------- 
  
using System;
  
class sample
{  
    public static void Main()
    {
        //Declare variables
  
        int radius = 4;
        const double PI = 3.14159;
        double area;
  
        //Do calculation
          
        area = PI * radius * radius;
  
        //Print the results
  
        Console.WriteLine("Radius = {0}, PI = {1}", radius, PI );
        Console.WriteLine("The area is {0}", area);
    }
}