C# Online Compiler | .NET Fiddle

<no name> by Anonymous

namespace New_Cw
{
    internal class Program
    {
        static void Main(string[] args)
        {
            //wap to find idameter,circumstance and area of circle using function.
            Console.WriteLine("enter the radius of circle");
            float r = float.Parse(Console.ReadLine());
            Console.WriteLine();
            /* Console.WriteLine("the diameter of the circle is:{0}",diameter(r));
             Console.WriteLine();
             Console.WriteLine("the circumstance of the circle is:{0}",circumstance(r));
             Console.WriteLine();
             Console.WriteLine("the area of the circle is : {0}",area(r));*/
            Console.WriteLine("enter what do you want from diameter,circumstance or area of the circle? ");
            string ans=Console.ReadLine();
            Console.WriteLine();
            if (ans == "diameter")
            {
                Console.WriteLine();
                Console.WriteLine("the diameter of the circle is:{0}", diameter(r));
               
            }
            else if (ans == "circumstance")
            {
                Console.WriteLine();
                Console.WriteLine("the circumstance of the circle is:{0}", circumstance(r));
               
            }
            else if (ans == "area")
            { 
                Console.WriteLine();
                Console.WriteLine("the area of the circle is : {0}", area(r));
               
            }
            else
            {
                Console.WriteLine();
                Console.WriteLine("please check what you entered and try again...");
            }
        }
        static float diameter(float r)
        {
            float d = 2 * r;
            return d;
        }
        static double circumstance(double r)
        {
            double c =2 * 3.14 * r;
            return c;   
        }
        static double area(double r) 
        {
            double a = 3.14 * r*r;
            return a;
        }
    }
}

​x
 
namespace New_Cw
{
    internal class Program
    {
        static void Main(string[] args)
        {
            //wap to find idameter,circumstance and area of circle using function.
            Console.WriteLine("enter the radius of circle");
            float r = float.Parse(Console.ReadLine());
            Console.WriteLine();
            /* Console.WriteLine("the diameter of the circle is:{0}",diameter(r));
             Console.WriteLine();
             Console.WriteLine("the circumstance of the circle is:{0}",circumstance(r));
             Console.WriteLine();
             Console.WriteLine("the area of the circle is : {0}",area(r));*/
            Console.WriteLine("enter what do you want from diameter,circumstance or area of the circle? ");
            string ans=Console.ReadLine();
            Console.WriteLine();
            if (ans == "diameter")
            {
                Console.WriteLine();
                Console.WriteLine("the diameter of the circle is:{0}", diameter(r));
               
            }
            else if (ans == "circumstance")
            {
                Console.WriteLine();
                Console.WriteLine("the circumstance of the circle is:{0}", circumstance(r));
               
            }
            else if (ans == "area")
            { 
                Console.WriteLine();
                Console.WriteLine("the area of the circle is : {0}", area(r));
               
            }
            else
            {
                Console.WriteLine();
                Console.WriteLine("please check what you entered and try again...");
            }
        }
        static float diameter(float r)
        {
            float d = 2 * r;
            return d;
        }
        static double circumstance(double r)
        {
            double c =2 * 3.14 * r;
            return c;   
        }
        static double area(double r) 
        {
            double a = 3.14 * r*r;
            return a;
        }
    }
}
​

Compilation error (line 52, col 8): Expected class, delegate, enum, interface, or struct
Compilation error (line 52, col 25): Identifier expected
Compilation error (line 52, col 27): Expected class, delegate, enum, interface, or struct
Compilation error (line 57, col 1): Expected class, delegate, enum, interface, or struct
Compilation error (line 59, col 10): Identifier expected
Compilation error (line 65, col 19): Identifier expected
Compilation error (line 68, col 13): Expected class, delegate, enum, interface, or struct
Compilation error (line 68, col 41): Expected class, delegate, enum, interface, or struct
Compilation error (line 84, col 1): Type or namespace definition, or end-of-file expected

Last Run:	8:12:23 pm
Compile:	0s
Execute:	0.017s
Memory:	0b
CPU:	0s

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