21
1
using System;2
3
public class Program4
{5
public static void Main()6
{7
var s4 = 8
new String(9
new char[]{'w', 'o', 'r', 'l', 'd'});10
// s4[1] = 'd'; error - string.this[int] is read only11
//https://unicode-table.com/12
Console.WriteLine("\u2642 \U0001F47D \x2640");13
long number1 = 19876543210;14
Console.WriteLine(15
number1.ToString("+# (###) ###-##-##"));16
Console.WriteLine(17
$"{number1:C}"); 18
Console.WriteLine(19
string.Format("number1={0:X}",19876543210)); 20
}21
}Cached Result
Compilation error (line 10, col 21): The left-hand side of an assignment must be a variable, property or indexer