Working with the Generic Dictionary Class In C#

This Example Demonstrates the use Of a Generic Dictionary Class Which is an Improved HashTable Class and performs much better than a HashTable.

Example :


using System;
using System.Collections.Generic;
class Program
{
static void Main(string[] args)
{
Dictionary< int, string > students = new Dictionary< int, string >();
students.Add(1, "Hefin");
students.Add(2, "Abbas");
students.Add(3, "Rinso");
students.Add(4, "Sachin");

Dictionary< string, string > Employees = new Dictionary< string, string >();
Employees.Add("E01", "Hefin Dsouza");
Employees.Add("E02", "Abbas Electriwala");
Employees.Add("E03", "Rinso Joseph");
Employees.Add("E04", "Sachin Gaikar");

Console.WriteLine("List of all Students");
foreach (KeyValuePair< int,string > n in students)
{
Console.WriteLine("|Roll Number : " + n.Key + "t| Name : " + n.Value);
}

Console.WriteLine("List of all Employees");
foreach (KeyValuePair< string, string > n in Employees)
{
Console.WriteLine("|EMP ID : " + n.Key + "tt| EMP Name : " + n.Value);
}
}
}

This is an Improved HashTable which restricts what data type will the Key be and What Data Type the value should be.So it makes this class much Type Safe.