static void Main(string[] args)
{
Dictionary <string, int> myDictionary = new Dictionary <string, int>();
Queue <string> myQueue = new Queue <string>();
Stack <string> stkMyStack = new Stack <string>();
bool error = true;
int menuchoice = 0;
/****************************************************************************************************************************/
/****************************************************************************************************************************/
/************************************* MAIN MENU *********************************************/
/****************************************************************************************************************************/
/****************************************************************************************************************************/
/****************************************************************************************************************************/
while (menuchoice != 4)
{
Console.WriteLine("MENU");
Console.WriteLine("Please enter the number that you want to do:");
Console.WriteLine("1. Stack");
Console.WriteLine("2. Queue");
Console.WriteLine("3. Dicitonary");
Console.WriteLine("4. Exit");
error = true;
while (error == true)
{
try
{
menuchoice = int.Parse(Console.ReadLine());
error = false;
}
catch
{
Console.WriteLine("Invalid Entry");
Console.WriteLine("Please enter a number between 1-4");
}
}
switch (menuchoice)
{
case 1:
/****************************************************************************************************************************/
/************************************* STACK MENU *********************************************/
/****************************************************************************************************************************/
/****************************************************************************************************************************/
while (menuchoice != 7)
{
menuchoice = 0;
Console.WriteLine("STACK MENU");
Console.WriteLine("Please enter the number that you want to do:");
Console.WriteLine("1. Add one item to Stack");
Console.WriteLine("2. Add Huge List of Items to Stack");
Console.WriteLine("3. Display Stack");
Console.WriteLine("4. Delete from Stack");
Console.WriteLine("5. Clear Stack");
Console.WriteLine("6. Search Stack");
Console.WriteLine("7. Return to Main Menu");
error = true;
while (error == true)
{
try
{
menuchoice = int.Parse(Console.ReadLine());
error = false;
}
catch
{
Console.WriteLine("Invalid Entry");
Console.WriteLine("Please enter a number between 1-4");
}
}
switch (menuchoice)
{
case 1:
Console.WriteLine("Adding one item......");
Console.Write("Please add one item");
string sMyString = Console.ReadLine();
stkMyStack.Push(sMyString);
break;
case 2:
Console.WriteLine("Adding Huge List of Items......");
for (int i = 0; i < 2000; i++)
{
string sNewEntry = ("New Entry " + i);
stkMyStack.Push(sNewEntry);
}
break;
case 3:
Console.WriteLine("Display........");
for (int iCount = 0; iCount < stkMyStack.Count(); iCount++)
{
Console.WriteLine(stkMyStack.ElementAt(iCount));
}
break;
case 4:
Console.WriteLine("Delete.........");
Stack <string> stkDelStack = new Stack <string>();
Console.Write("Please enter which item you would like to delete: ");
string sItem = Console.ReadLine();
while (sItem != stkMyStack.Peek())
{
stkDelStack.Push(stkMyStack.Pop());
}
stkMyStack.Pop();
for (int iCounter = 0; iCounter < stkDelStack.Count(); iCounter++)
{
stkMyStack.Push(stkDelStack.Pop());
}
break;
case 5:
Console.WriteLine("Clear........");
stkMyStack.Clear();
break;
case 6:
Console.WriteLine("Search........");
System.Diagnostics.Stopwatch sw = new System.Diagnostics.Stopwatch();
Console.WriteLine("Please enter an item you would like to search for: ");
string sSearch = Console.ReadLine();
sw.Start();
for (int i = 0; i < stkMyStack.Count(); i++)
{
if (stkMyStack.ElementAt(i).Equals(sSearch))
{
Console.WriteLine(stkMyStack.ElementAt(i));
sw.Stop();
Console.WriteLine("It took " + sw.Elapsed + " seconds to complete this search.");
}
else
{
Console.WriteLine("We could not find that item.");
}
}
break;
case 7:
Console.WriteLine("Going back to Main Menu.......");
break; //go to main menu
default:
Console.WriteLine("Sorry, invalid selection");
break;
}
}
break;
/****************************************************************************************************************************/
/************************************* QUEUE MENU *********************************************/
/****************************************************************************************************************************/
/****************************************************************************************************************************/
case 2:
while (menuchoice != 7)
{
menuchoice = 0;
Console.WriteLine("QUEUE MENU");
Console.WriteLine("Please enter the number that you want to do:");
Console.WriteLine("1. Add one item to Queue");
Console.WriteLine("2. Add Huge List of Items to Queue");
Console.WriteLine("3. Display Queue");
Console.WriteLine("4. Delete from Queue");
Console.WriteLine("5. Clear Queue");
Console.WriteLine("6. Search Queue");
Console.WriteLine("7. Return to Main Menu");
error = true;
while (error == true)
{
try
{
menuchoice = int.Parse(Console.ReadLine());
error = false;
}
catch
{
Console.WriteLine("Invalid Entry");
Console.WriteLine("Please enter a number between 1-4");
}
}
switch (menuchoice)
{
case 1:
//Add one item to Queue
Console.WriteLine("Enter a name or something.");
string iInput = Console.ReadLine();
myQueue.Enqueue(iInput);
break;
case 2:
//Add Huge List of Items to Queue
myQueue.Clear();
int iCount = 0;
while (iCount < 2000)
{
myQueue.Enqueue("New Entry " + iCount);
iCount++;
}
break;
case 3:
//Display Queue
foreach (string value in myQueue)
{
Console.WriteLine(value);
}
break;
case 4:
//Delete from Queue
Console.WriteLine("Which queue item do you want to delete?");
int iQueueDelete = 0;
try
{
iQueueDelete = int.Parse(Console.ReadLine());
}
catch
{
Console.WriteLine("Invalid Entry");
Console.WriteLine("Please enter a number from your queue.");
}
List <string> listOfWhatWontBeDeletedFromQueue = new List <string>();
int iListCount = 1;
while (iListCount < iQueueDelete)
{
listOfWhatWontBeDeletedFromQueue.Add(myQueue.Dequeue());
iListCount++;
}
myQueue.Dequeue();
foreach (string value in listOfWhatWontBeDeletedFromQueue)
{
myQueue.Enqueue(value);
}
break;
case 5:
//Clear Queue
myQueue.Clear();
break;
case 6:
//Search Queue
Console.WriteLine("What item would you like to see if the queue contains?");
string iQueueSearch = Console.ReadLine();
System.Diagnostics.Stopwatch sw = new System.Diagnostics.Stopwatch();
sw.Start();
if (myQueue.Contains(iQueueSearch))
{
Console.WriteLine("Yes, the queue had that.");
}
else
{
Console.WriteLine("No, the queue didn't have that.");
}
sw.Start();
Console.WriteLine("It took " + sw.ElapsedMilliseconds + " milliseconds to figure that out.");
break;
case 7:
//Return to Main Menu
break;
default:
Console.WriteLine("Sorry, invalid selection");
break;
}
}
break;
case 3:
/****************************************************************************************************************************/
/************************************* DICTIONARY MENU *****************************************/
/****************************************************************************************************************************/
/****************************************************************************************************************************/
while (menuchoice != 7)
{
//Declare variables
string sUserResponse;
int iUserResponse;
int iCount = 0;
int iCounter = 0;
menuchoice = 0;
Console.WriteLine("DICTIONARY MENU");
Console.WriteLine("Please enter the number that you want to do:");
Console.WriteLine("1. Add one item to Dictionary");
Console.WriteLine("2. Add Huge List of Items to Dictionary");
Console.WriteLine("3. Display Dictionary");
Console.WriteLine("4. Delete from Dictionary");
Console.WriteLine("5. Clear Dictionary");
Console.WriteLine("6. Search Dictionary");
Console.WriteLine("7. Return to Main Menu");
error = true;
while (error == true)
{
try
{
menuchoice = int.Parse(Console.ReadLine());
error = false;
}
catch
{
Console.WriteLine("Invalid Entry");
Console.WriteLine("Please enter a number between 1-4");
}
}
switch (menuchoice)
{
case 1:
//Prompt user for them to enter in a string and record the response
Console.WriteLine("\nPlease enter a string");
sUserResponse = Console.ReadLine();
//Add the response to the myDictionary object along with a value
myDictionary.Add(sUserResponse, iCount++);
break;
case 2:
//Clear all of the contents of the dictionary
myDictionary.Clear();
//Load up each dictionary item up to 2000
for (iCount = 0; iCount <= 2000; iCount++)
{
myDictionary.Add("New Entry " + iCount, iCount);
}
//Reset the iCount back to 0
iCount = 0;
break;
case 3:
//Display the contents of the dictionary
Console.WriteLine("\nThis is the contents of the Dictionary");
foreach (KeyValuePair <string, int> entry in myDictionary)
{
Console.WriteLine(entry.Key.PadRight(20, ' ') + entry.Value);
}
Console.WriteLine();
break;
case 4:
//Prompt for user input of what they want to delete from the dictionary
Console.WriteLine("\nWhat would you like to Delete from the Dictionary? \nHere is the List: \n");
//Display the dictionary so they can see their options
foreach (KeyValuePair <string, int> entry in myDictionary)
{
Console.WriteLine(entry.Key);
}
//Record the user response and then delete the request item from the Dictionary
Console.WriteLine();
sUserResponse = Console.ReadLine();
myDictionary.Remove(sUserResponse);
break;
case 5:
//Clear the whole dictionary
myDictionary.Clear();
break;
case 6:
//Prompt the user for what string they want to look for.
Console.WriteLine("\nPlease enter the string you are searching for: ");
sUserResponse = Console.ReadLine();
//Display the results of the search
if (myDictionary.ContainsKey(sUserResponse))
{
Console.WriteLine("\nYou found " + sUserResponse + "! Here is the value: " + myDictionary[sUserResponse] + "\n");
}
else
{
Console.WriteLine("\nString not found!");
}
break;
case 7:
Console.WriteLine("Going back to Main Menu.......");
break; //go to main menu
default:
Console.WriteLine("Sorry, invalid selection");
break;
}
}
break;
case 4:
break; //end
default:
Console.WriteLine("Sorry, invalid selection");
break;
}
}
}