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import java.util.Random;/** * Write a description of class CustomerQueue here. *  * @author Jerediah Fevold * @version 20 October 2006 */public class TicketAgent {    // instance variables - replace the example below with your own    private int limit = 0;    private int count = 1;    private int custnum = 0;    /**     * Constructor for objects of class CustomerQueue     */    public void TicketAgent()    {        Random generator = new Random();        int r = generator.nextInt(20) + 10;        Line line = new Line();                Random custEnter = new Random();                while(r != 0 ) {            int custEnt = custEnter.nextInt(500);                if(custEnt == 250 && count < limit) {                    Customer customer = new Customer(count);                    line.enqueue(customer);                    System.out.println("Customer " + count + " has been added to the line.");                    custnum = custnum + 1;                    count = count + 1;                }                                if(custEnt == 150 && custnum > 0) {                    String peek = line.peekFront().toString();                    line.dequeue();                    System.out.println("Customer " + peek + " has been removed from the line.");                    r  = r - 1;                    custnum = custnum - 1;                }         }            }    }