Deposit Money

I am trying to create simple java console application that will ask user to deposit money. Here how it should look:

Please enter 10 TWENTY dollar____
Please enter 10 TEN dollar_____
Please enter 10 FIVE dollar____
Please enter 10 ONE dollar____

Amount Deposited: _____

Below is the code i am trying to work with, but i dont know how to start..Please help thank you..

Code :

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import java.util.Hashtable;
import com.widgetbank.www.Denomination;
 
 
public class MainDeposit {
 
	/**
	 * @param args
	 */
 
	public static void main (String[] args) {
		// TODO Auto-generated method stub
 
		 Hashtable<Denomination, Integer> numbers = new Hashtable<Denomination, Integer>();
		 numbers.put(Denomination.TWENTY, 10 );
		 numbers.put(Denomination.TEN, 10);
		 numbers.put(Denomination.FIVE,10 );
		 numbers.put(Denomination.ONE,10);
 
		}
 
		}

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