import java.util.*;import javax.swing.JOptionPane;public class Exercise7_13 {  /**Main method*/  public static void main(String[] args) {    // Receive the amount entered from the dialog box    String amountString = JOptionPane.showInputDialog(null,      "Enter an amount in double, for example 11.56:",      "Exercise7_13 Input", JOptionPane.QUESTION_MESSAGE);    StringTokenizer st = new StringTokenizer(amountString, ".\n\r\t");    int dollars = Integer.parseInt(st.nextToken());    int remainingAmount = 0;    int cents = 0;    if (st.hasMoreTokens())      remainingAmount = cents = Integer.parseInt(st.nextToken());    remainingAmount = remainingAmount % 100;    // Find the number of quarters in the remaining amount    int numOfQuarters = remainingAmount / 25;    remainingAmount = remainingAmount % 25;    // Find the number of dimes in the remaining amount    int numOfDimes = remainingAmount / 10;    remainingAmount = remainingAmount % 10;    // Find the number of nickels in the remaining amount    int numOfNickels = remainingAmount / 5;    remainingAmount = remainingAmount % 5;    // Find the number of pennies in the remaining amount    int numOfPennies = remainingAmount;    // Display results    System.out.println("Your amount " + amountString + " consists of ");    System.out.println(dollars + "\t dollars");    System.out.println(numOfQuarters + "\t quarters");    System.out.println(numOfDimes + "\t dimes");    System.out.println(numOfNickels + "\t nickels");    System.out.println(numOfPennies + "\t pennies");    System.exit(0);  }}