import java.awt.*;
import java.applet.Applet;
import java.awt.event.*;

public class Accumulate extends Applet
    implements ActionListener {

    private float oldAmount, newAmount;
    private float interestRate;
    private int dollars, cents;

    private Button year;
    private TextField interestField, amountField, outcome;

    public void init() {
        Label amountLabel = new Label("Enter amount:");
        add(amountLabel);

        amountField = new TextField(8);
        add(amountField);
        amountField.addActionListener(this);

        Label ratelabel = new Label("Enter interest rate");
        add(ratelabel);
        
        interestField = new TextField(4);
        add(interestField);
        interestField.addActionListener(this);

        year = new Button ("Another Year");
        add (year);
        year.addActionListener(this);

        Label outcomeLabel = new Label
                  ("Your money at the end of the year is");
        add(outcomeLabel);

        outcome = new TextField(20);
        add(outcome);
    }

    public void actionPerformed(ActionEvent event) {
        if (event.getSource() == amountField) {
            oldAmount = Integer.parseInt(amountField.getText());
        }
        if (event.getSource() == interestField) {
            Float temp = Float.valueOf(interestField.getText());
            interestRate = temp.floatValue();
        }
        if (event.getSource() == year) {
            newAmount = oldAmount + (oldAmount * interestRate / 100.0f);

            dollars = (int)newAmount;
            cents = Math.round(100.0f * (newAmount - dollars));
            outcome.setText(dollars + " dollars " + cents + " cents");

            oldAmount = newAmount;
        }
    }
}