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lesson_23.cs
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namespace HelloApp
{
class Program
{
static void Main(string[] args)
{
}
}
}
namespace HelloApp
{
class Program
{
static void Main(string[] args)
{
Account account = new Account(4);
}
}
class Account
{
public int Id { get; private set; } // номер счета
public Account(int _id)
{
Id = _id;
}
}
}
using System;
namespace HelloApp
{
class Program
{
static void Main(string[] args)
{
Console.WriteLine("hello");
}
}
}
static void Main(string[] args)
{
System.Console.WriteLine("hello");
}
using HelloApp.AccountSpace;
namespace HelloApp
{
class Program
{
static void Main(string[] args)
{
Account account = new Account(4);
}
}
namespace AccountSpace
{
class Account
{
public int Id { get; private set; }
public Account(int _id)
{
Id = _id;
}
}
}
}
using printer = System.Console;
class Program
{
static void Main(string[] args)
{
printer.WriteLine("Hello from C#");
printer.Read();
}
}
using Person = HelloApp.User;
using Printer = System.Console;
namespace HelloApp
{
class Program
{
static void Main(string[] args)
{
Person person = new Person();
person.name = "Tom";
Printer.WriteLine(person.name);
Printer.Read();
}
}
class User
{
public string name;
}
}
using static System.Console;
namespace HelloApp
{
class Program
{
static void Main(string[] args)
{
WriteLine("Hello from C# 8.0");
Read();
}
}
}
using static System.Console;
using static System.Math;
using static HelloApp.Geometry;
namespace HelloApp
{
class Program
{
static void Main(string[] args)
{
double radius = 50;
double result = GetArea(radius); //Geometry.GetArea
WriteLine(result); //Console.WriteLine
Read(); // Console.Read
}
}
class Geometry
{
public static double GetArea(double radius)
{
return PI * radius * radius; // Math.PI
}
}
}