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

public class Accumulate extends Applet implements ActionListener {

    private float oldFigure, newFigure;

    private Rate rate;
    private InitialAmount initialAmount;
    private NewAmount newAmount;

    private Button button = new Button("Another Year");

    public void init() {
        rate = new Rate(this);
        initialAmount = new InitialAmount(this);
        add(button);
        button.addActionListener(this);
        newAmount = new NewAmount(this); 
    }

    public void setInitialAmount(float initialAmount) {
       oldFigure = initialAmount;
    }

    public void actionPerformed(ActionEvent event) {
        newFigure = oldFigure + (rate.getRate() * oldFigure / 100.0f);
        newAmount.setNewAmount(newFigure);
        oldFigure = newFigure;
    }
}

class Rate implements ActionListener {

    private int rate;
    private Applet applet;
    private TextField textField = new TextField(20);

    public Rate( Applet applet) {
        this.applet = applet;
        applet.add(new Label("Enter interest rate:"));
        applet.add(textField);
        textField.addActionListener(this);
    }

    public void actionPerformed(ActionEvent event) {
        rate = Integer.parseInt(textField.getText());
    }

    public int getRate() {
        return rate;
    }
}

class InitialAmount implements ActionListener {

    private float amount;
    private Accumulate applet;
    private TextField textField = new TextField(20);

    public InitialAmount(Accumulate applet) {
        this.applet = applet;
        applet.add(new Label("Enter initial amount:"));
        applet.add(textField);
        textField.addActionListener(this);
    }

    public void actionPerformed(ActionEvent event) {
        amount = Integer.parseInt(textField.getText());
        applet.setInitialAmount(amount);
    }
}

class NewAmount {

    private float newAmount;
    private Applet applet;
    private TextField textField = new TextField(20);

    public NewAmount(Applet applet) {
        this.applet = applet;
        applet.add(new Label("Your money at the end of the year is:"));
        applet.add(textField);
    }

    public void setNewAmount(float newAmount) {
        this.newAmount = newAmount;
        int dollars = (int) newAmount;
        int cents = Math.round(100.0f * (newAmount - dollars));
        textField.setText(dollars + " dollars " + cents + " cents");
    }
}