//ArrayDemo
//Illustrates use of Arrays in Java
//Andy Harris

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

public class ArrayDemo extends Applet implements ActionListener{

  Label lblOutput = new Label("Zero");
  Button btnNext = new Button("Next");
  String phrase[] = new String[5];

  int counter = 0;

  
  public void init(){
    phrase[0] = "Zero";
    phrase[1] = "One";
    phrase[2] = "Two";
    phrase[3] = "Three";
    phrase[4] = "Four";
  
    setLayout(new BorderLayout());
    add(lblOutput, BorderLayout.CENTER);
    add(btnNext, BorderLayout.SOUTH);
    lblOutput.setAlignment(Label.CENTER);
    lblOutput.setFont(new Font("SansSerif", Font.PLAIN, 20));

    btnNext.addActionListener(this);

  } // end init

  public void actionPerformed (ActionEvent e){
    counter++;
    if (counter > 4){
      counter = 0;
    } // end if

    lblOutput.setText(phrase[counter]);
  } // end actionPerformed

} // end class def