import java.util.*; import java.awt.*; import java.awt.event.*; import javax.swing.*;

public class String6 extends JFrame{ private JLabel promptLabel; private JTextField inputField; private JTextArea ouputArea; public String6() { super("Testring Class StirngTokenizer"); Container container = getContentPane(); container.setLayout(new FlowLayout()); promptLabel = new JLabel("Enter a sentence and press Enter"); container.add(promptLabel); inputField = new JTextField(20); inputField.addActionListener( new ActionListener() { public void actionPerformed(ActionEvent event) { StringTokenizer tokens = new StringTokenizer(event.getActionCommand()); outputArea.setText("Number of elements : " + tokens.countTokens() + "\nThe tokens are:\n" ); while(tokens.hasMoreTokens()) outputArea.append(tokens.nextToken() + "\n" ); } } ); container.add(inputField); outputArea = new JTextArea(10,20); outputArea.setEditable(false); container.add(new JScrollPane(outputArea)); setSize(275,240); setVisible(true); } public static void main(String args[]) { String6 application = new String6(); application.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE); } }