import java.util.*;

public class HashTableExample {
	public static void main(String args[]) {
		// Create a hash map
		Hashtable ht = new Hashtable();
		Enumeration htenum;
		String str;
		double bal;

		ht.put("Neha", new Double(3434.34));
		ht.put("Ankit", new Double(123.22));
		ht.put("Rohit", new Double(1378.00));
		ht.put("Vinay", new Double(99.22));
		ht.put("Vijay", new Double(-19.08));

		// Show all balances in hash table.
		htenum = ht.keys();
		while (htenum.hasMoreElements()) {
			str = (String) htenum.nextElement();
			System.out.println(str + ": " + ht.get(str));
		}
		System.out.println();
		// Deposit 1,000 into Neha's account
		bal = ((Double) ht.get("Neha")).doubleValue();
		ht.put("Neha", new Double(bal + 1000));
		System.out.println("Neha's new balance: " + ht.get("Neha"));
	}
}