C# 文字列フォーマット()

public string Format(string, object)
public string Format(string, object, object)
public string Format(IFormatProvider, string, object)

using System;
//a namespace called program is defined
namespace program
{
//a class called check is defined
class check
{
//main method is called
static void Main(string[] args)
{
//a string variable is used to store the format items that needs to be replaced with the string representation of objects
string str = "{0} {1:0.0%}";
//string format method is used to replace the format items of the specified string with the string representation of objects
string res = string.Format(str, "India has a total power consumption of", 0.73);
Console.WriteLine("The statement after using the string format method is:");
Console.WriteLine("\n {0}",res);
Console.ReadLine();
}
}
}

using System;
//a namespace called program is defined
namespace program
{
//a class called check is defined
class check
{
//main method is called
static void Main(string[] args)
{
//an integer variable is used to store the value
int value = 200;
//hexadecimal format method is used to replace the format items of the specified integer value with the hexadecimal representation of objects
Console.WriteLine("The statement after using the hex format method is {0:x}", value);
//DateTime.Now is used to obtain the current date and time by creating an instance of it
DateTimedt = DateTime.Now;
Console.WriteLine("The current date and time is: {0}", dt);
//By using date format which can display only the date, the current date is displayed
Console.WriteLine("The current date is: {0:D}", dt);
//By using time format which can display only the time, the current time is displayed
Console.WriteLine("The current time is: {0:T}", dt);
//a string variable is used to store the values for padding, here negative values indicate left alignment and positive values indicate right alignment
string hey = "{0,-40} {0,40}";
string res = string.Format(hey,"This is describing padding");
Console.WriteLine(res);
Console.ReadLine();
}
}
}