Console.ReadLine;
应该加到哪 合适 斑竹等我得到这个帖子删除 没有技术含量


// keyword_class.cs
// class example
using System;
class Kid
{
private int age;
private string name;

// Default constructor:
public Kid()
{
name = "N/A";
}

// Constructor:
public Kid(string name, int age)
{
this.name = name;
this.age = age;
}

// Printing method:
public void PrintKid()
{
Console.WriteLine("{0}, {1} years old.", name, age);
}
}

class MainClass
{
static void Main()
{
// Create objects
// Objects must be created using the new operator:
Kid kid1 = new Kid("Craig", 11);
Kid kid2 = new Kid("Sally", 10);

// Create an object using the default constructor:
Kid kid3 = new Kid();

// Display results:
Console.Write("Kid#1:");
kid1.PrintKid();
Console.Write("Kid #2: ");
kid2.PrintKid();
Console.Write("Kid #3: ");
kid3.PrintKid();

}

}

public static class TemperatureConverter
{
public static double CelsiusToFahrenheit(string temperatureCelsius)
{
// Convert argument to double for calculations.
double celsius = System.Double.Parse(temperatureCelsius);

// Convert Celsius to Fahrenheit.
double fahrenheit = (celsius * 9 / 5) + 32;

return fahrenheit;
}

public static double FahrenheitToCelsius(string temperatureFahrenheit)
{
// Convert argument to double for calculations.
double fahrenheit = System.Double.Parse(temperatureFahrenheit);

// Convert Fahrenheit to Celsius.
double celsius = (fahrenheit - 32) * 5 / 9;

return celsius;
}
}

class TestTemperatureConverter
{
static void Main()
{
System.Console.WriteLine("Please select the convertor direction");
System.Console.WriteLine("1. From Celsius to Fahrenheit.");
System.Console.WriteLine("2. From Fahrenheit to Celsius.");
System.Console.Write(":");

string selection = System.Console.ReadLine();
double F, C = 0;

switch (selection)
{
case "1":
System.Console.Write("Please enter the Celsius temperature: ");
F = TemperatureConverter.CelsiusToFahrenheit(System.Console.ReadLine());
System.Console.WriteLine("Temperature in Fahrenheit: {0:F2}", F);
break;

case "2":
System.Console.Write("Please enter the Fahrenheit temperature: ");
C = TemperatureConverter.FahrenheitToCelsius(System.Console.ReadLine());
System.Console.WriteLine("Temperature in Celsius: {0:F2}", C);
break;

default:
System.Console.WriteLine("Please select a convertor.");
break;
}
}
}


System.Console.WriteLine("Temperature in Celsius: {0:F2}", C);
0:F2}", c 这是什么意思呢