import java.util.*;import javax.swing.JOptionPane;public class Exercise7_14 {    /**Main method*/    public static void main(String[] args) {        // Receive the amount entered from the dialog box        String s = JOptionPane.showInputDialog(        "Enter a string:");                StringTokenizer tokens = new StringTokenizer(s, ".,:\"\'? ");                        while (tokens.hasMoreTokens())            System.out.println(tokens.nextToken());                     System.exit(0);    }}