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//LP : Run as C# Program. 
//using System;
//using System.Collections;

/* SUMMARY
	• An instance method of hashtable. Assume instance methods are the available-ready-to-go methods whenever you create an instance of an object.
ContainsKey :  Called on the Hashtable with the key contents, returns true if key is found.
		○ We create a GetHashtable method which creates a hashtable and fills it with values, and returns a hashtable datatype when called.  
		○ In "main elsewhere"  we create a new hashtable instance, by calling theGetHashTable method.
		○ We use the ContainsKey property to see if a certain key exists. 
		○ Or we can just use Contains property to see if a certain key exists.
		○ Since the key is a string -- it is not valid to access the indexer, so if the indexer is a string, it needs to be converted to a int.
			§ We use a worker variable "value" to store a casting of string "ProtoBot", to a valid int datatype via a cast 
		○ We output the value of the key.  
*/


class Program
{
	static Hashtable GetHashtable()
	{
		Hashtable robohashtable = new Hashtable();
		robohashtable.Add("WorkBot", 1000);
		robohashtable.Add("CombatBot", 500);
		robohashtable.Add("ProtoBot", 250);
		return robohashtable;  
	}
		
	static void Main()
	{
		Hashtable robohashtable = GetHashtable();
		//See if the Hashtable contains this key. Will return true if so.
		Console.WriteLine(robohashtable.ContainsKey("CombatBot"));
		
		//Test the Contains method, it works the same way
		Console.WriteLine(robohashtable.Contains("ProtoBot"));
		
		//Get value of Protobot with the indexer.
		//This is a cast, I assume casting value protobot to 
		//a numeric value, thus making it a valid indexer.  
		int value = (int)robohashtable["ProtoBot"];
		
		//Write the value of ProtoBot indexer 
		Console.WriteLine(value);  
	}
	/*Output
	True
	True
	250
	*/
}