using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
class Sample
{
public static void Main()
{
var d = new Dictionary();
d.Add("One", 1);
d["Two"] = 2; // adds to dictionary because "two" not already present
d["Two"] = 4; // updates dictionary because "two" is now present
d["Three"] = 3;
foreach (KeyValuePair kv in d) // One ; 1
Console.WriteLine(kv.Key + "; " + kv.Value); // Two ; 22
foreach (string s in d.Keys)
Console.Write(s); // OneTwoThree
foreach (int i in d.Values)
Console.Write(i); // 1223
}
}
The output:
One; 1
Two; 4
Three; 3
OneTwoThree143