using System;

using Accounts;

​

public class Program

{

public static void Main()

{

//No.1 kirk Ryan

Program Bilog = new Program();

Console.WriteLine(Bilog.getCircleDiameter(5.5));

​

//No.2 kirk Ryan

Product product = new Product();

product.code = "A01";

product.description = "Chicken Tie";

product.price = 220;

​

Console.WriteLine(product.code

, product.description, product.price);

//No.3 Jan Rayn Arselle Benamir

Person p = new Person();

Console.WriteLine(p.full_name);

​

//No.4 Jan Rayn Arselle Benamir

Account acc = new Account();

acc.account_number = 10122;

​

Console.WriteLine(product.code, product.description, product.price);

}

//No.1 Kirk Ryan

public double getCircleDiameter(double radius)

{

double diameter = radius * 2;

return diameter;

}

​

}

​

​

​

//No.2 Kirk Ryan 

public struct Product{

public string code;

public string description;

public int price;

}

​

​

​

//No.3 Jan Rayn Arselle Benamir

public class Person

{

public string full_name;

public Person()

{

this.full_name = "Kirk Ryan Benamir";

}

}

​

​

​

//No.4 Jan Rayn Arselle Benamir

namespace Accounts

{

public class Account

{

public int account_number;

}

}