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package algorithms;

import java.util.*;

/**

* Simple HashTable operations.

* @author joeytawadrous

public class HashTables

{

public static void main(String args[])

{

// Create a hash map

Hashtable<String, Double> balance = new Hashtable<String, Double>();

Enumeration<String> names;

String str;

double bal;

balance.put("Zara", new Double(3434.34));

balance.put("Ayan", new Double(1378.00));

balance.put("Paud", new Double(-19.08));

// Show all balances in hash table.

names = balance.keys();

while(names.hasMoreElements())

{

str = names.nextElement();

System.out.println(str + ": " + balance.get(str));

}

System.out.println();

// Deposit 1,000 into Zara's account

bal = balance.get("Zara");

balance.put("Zara", new Double(bal+1000));

System.out.println("Zara's new balance: " + balance.get("Zara"));

}