public void initializeNode(Node temp, InputsAndOutputs IO)
{
//ask for first name
temp.setFirstName(IO.obtainStringInputFromUser("first name "));
//ask for last name
temp.setLastName(IO.obtainStringInputFromUser("last name "));
}
private void addNodeToTheTable(InputsAndOutputs IO)
{
HashingAlgorithm ha = new HashingAlgorithm();
Node tempNode = new Node();
initializeNode(tempNode, IO);
int n = ha.hashThis(tempNode.getFirstName());
theLinkedList = theHashTable.retrieveOneHashedList(n);
theHashTable.addItemToTable(tempNode);
//Node tempNode = new Node();
//initializeNode(tempNode, IO);
//theHashTable.addItemToTable(tempNode);
}
public void findNodeInList(InputsAndOutputs IO)
{
HashingAlgorithm ha = new HashingAlgorithm(numberHashValues);
String findName = IO.obtainStringInputFromUser("what first name should we find?");
int findHash = ha.hashThis(findName);
//needs to be something in the head to find it
if (theLinkedListHeads[findHash].getFirstName().Equals(findName))
{
IO.displayMessageFromProgram("found " + findName + " in the table at hash value " + findHash);
}
else
{
IO.displayMessageFromProgram(findName + " is not in the table");
}
}
//private Node[] theLinkedListHeads = null;
//HashTable ht = new HashTable();
public ControlTable()
{
InputsAndOutputs IO = new InputsAndOutputs();
String choice;
String menu = "Hash Table\n";
menu += "0 - exit\n";
menu += "1 - add node to the table\n";
menu += "2 - find a node in the hash table\n";
menu += "3 - look at all the nodes in the hash table\n";
while (true)
{
choice = IO.obtainStringInputFromUser(menu);
switch (choice[0])
{
case '0':
Environment.Exit(0);
break;
case '1':
addNodeToTheTable(IO);
break;
case '2':
theHashTable.findNodeInList(IO);
break;
case '3':
lookAtTheTheHeadsInTheTable();
break;
}
}
}
