jskeet

using System;
 
public class Math
{
    public virtual int Sum(int a , int b)
    {
        return a+b;
    }
}

jskeet

using Newtonsoft.Json;

string json = "{\"Code\":\"AA10\",\"day\":\"monday\",\"errors\":[]}";

var newyvar = JsonConvert.DeserializeObject<Dictionary<string, object>>(json);
string new_row = Convert.ToString(newyvar["Code"]) + ";" + "New";

Console.WriteLine(new_row);

jskeet

using Newtonsoft.Json;

string json = "{\"id\":\"5005t000004RMNTAA4\",\"success\":true,\"errors\":[]}";
var dict = JsonConvert.DeserializeObject<Dictionary<string, object>>(json);

Console.WriteLine(string.Join(", ", dict.Keys));

jskeet

public void SetInfo(string code)
{
    eventCode = code switch
    {
        "K" => eventCodes[0],
        "L" => eventCodes[1],
        "R" => eventCodes[2],
        "Q" => eventCodes[3],
        "N" => eventCodes[4],
        _ => "I"

jskeet

using System;
using System.Globalization;

class Program
{
    static void Main()
    {
        var zone = TimeZoneInfo.FindSystemTimeZoneById("Altai Standard Time");
        DateTime start = new DateTime(2013, 12, 31, 16, 0, 0, DateTimeKind.Utc);
        DateTime end = start.AddHours(4);

jskeet

Imports System

Module Program
    Sub Main(args As String())
        Dim upload As Dictionary(Of (Long, Long, Long), Long) = New Dictionary(Of (Long, Long, Long), Long)
        upload.Add((1, 2, 3), 5)
    End Sub
End Module

jskeet

using System;
using System.Globalization;

string text = "2020-10-14T13:11:51Z";
var dt = DateTime.ParseExact(text, "yyyy'-'MM'-'dd'T'hh':'mm':'ss'Z'", CultureInfo.InvariantCulture);
Console.WriteLine(dt);

jskeet

using System;
using System.Reflection;

[System.AttributeUsage(System.AttributeTargets.All, Inherited = false, AllowMultiple = true)]
sealed class CustomDateTimeAttribute : System.Attribute
{
    // See the attribute guidelines at 
    //  http://go.microsoft.com/fwlink/?LinkId=85236
    readonly string positionalString;

jskeet

String res =
    stuff.equals("TV") ? "Walter"
    : stuff.equals("Movie") ? "White"
    : "No result";

jskeet

using System;
using System.Collections;
using System.Collections.Generic;

class Program
{
    static void Main()
    {
        MySetting setting = new MySetting()
        {