Iterator arrayList

/* Programmer : Matiga, Reuben D.
  Program name : Iterators
  Date Started : March 2,2009
  Date Finished : March 3,2009
  Purpose : Iterate through elements Java ArrayList using Iterator
  Instructor : Dony Dongiapon
  Subject : IT134
*/
package collection;

import java.util.ArrayList;
import java.util.Iterator;

public class IteratorDemo {
  public static void main(String arg[])
  {
  ArrayList reu=new ArrayList();
  for(int i=0;i<10;i++)
  {
  reu.add(new Integer(i));
  }
  System.out.println(reu); // 0,1,2,3,……9
  Iterator itr=reu.iterator();
  while(itr.hasNext())
  {
  Integer i=(Integer)itr.next();
  if(i.intValue() % 2==0)
  {
  System.out.println(i);
  }
  else
  {
  itr.remove();
  }
  }
   
  }

}


output:
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
0
2
4
6
8

Source: http://www.javaexamples4u.com/2009/02/iterator-source-code.html

I learned that iterator is an object representing a stream of data. Repeated calls to the iterator’s next() method return successive items in the stream. When no more data is available a StopIteration exception is raised.


***********************************************************************

Case Study of Direct Clothing

/* Pogrammer Name : Reuben Matiga
  Date Started : 02-06-09
  Date Finished : 02-08-09
  Program Name : Direct Clothing Case Study
  Program Purpose : To have a solution in case study

*/ 

public class Customer{

    private int CustomerID;
    public String Name;
    public int PhoneNumber;
    publicString Address;
    publicString Emailaddress;


    //This is a Customer constructor

    public Customer ( int newCustomerID, String newName, String newAddress, String newEmailaddress)
    {
    CustomerID = newCustomerID;
    Name = newName;
    PhoneNumber = newPhoneNumber;
    Address = newAddress;
    Emailaddress =newEmailaddress;    
    }    
    

}

-----------------------------------------------------------------

/* Pogrammer Name : Reuben Matiga
  Date Started : 02-06-09
  Date Finished : 02-08-09
  Program Name : Direct Clothing Case Study
  Program Purpose : To have a solution in case study
   
*/ 

public class Order extends Customer{

    public String OrderID;
    public int TotalPrice;
    public String Status;
        
    // Order Constructor
    public Order (int newCustomerID, String newName, String newAddress, String newEmailaddress, String newOrderID,int TotalPrice, String Status )
    {
    super(int newCustomerID, String newName, String newAddress, String newEmailaddress);
    
    OrderID = newOrderID;
    TotalPrice = newTotalPrice;
    Status = newStatus;
    }
}

    
----------------------------------------------------------

/* Pogrammer Name : Reuben Matiga
  Date Started : 02-06-09
  Date Finished : 02-08-09
  Program Name : Direct Clothing Case Study
  Program Purpose : To have a solution in case study
   
*/ 

public class Shirt extends Customer{

    public String ShirtID;
    public int Price;
    public String Color;
    public String Description;
    public int Quantity;    
    
    // Shirt constructor
    
    public Shirt(int newCustomerID, String newName, String newAddress, String newEmailaddress, String newShirtID, int newPrice, String newColor, String newDescription,int newQuantity )
    {
    super(int newCustomerID, String newName, String newAddress, String newEmailaddress);
  ShirtID = newShirtID;
    Price = newPrice; 
    Color = newColor;
    Description = newDescription;
    Quantity = newQuantity;    
    
    }
}

    
-----------------------------------------------

/* Pogrammer Name : Reuben Matiga
  Date Started : 02-06-09
  Date Finished : 02-08-09
  Program Name : Direct Clothing Case Study
  Program Purpose : To have a solution in case study
   
*/ 

public class FormOfPayment extends Customer{

    public int ChckNumber;
    public int CrdtCrdNumber;
  public double ExpirationDate;
    
    // Form of Payment Constructor
    
    public FormOfPayment(int newCustomerID, String newName, String newAddress, String newEmailaddress, int newChckNumber, int newCrdtCrdNumber,double newExpirationDate )
    {
    super(int newCustomerID, String newName, String newAddress, String newEmailaddress);
   
    ChckNumber = newChckNumber;
    CrdtCrdNumber = newCrdtCrdNumber;
  ExpirationDate = newExpirationDate;        
    }
}

----------------------------------------------------------------------

/* Pogrammer Name : Reuben Matiga
  Date Started : 02-06-09
  Date Finished : 02-08-09
  Program Name : Direct Clothing Case Study
  Program Purpose : To have a solution in case study
   
*/ 

public class Catalog extends Shirt{

    
    public Catalog(int newCustomerID, String newName, String newAddress, String newEmailaddress, int newChckNumber, int newCrdtCrdNumber,double newExpirationDate )
    {
    super(String newShirtID, int newPrice, String newColor, String newDescription,int newQuantity );
   
    }
}

    
---------------------------------------------------------

/* Pogrammer Name : Reuben Matiga
  Date Started : 02-06-09
  Date Finished : 02-08-09
  Program Name : Direct Clothing Case Study
  Program Purpose : To have a solution in case study
   
*/ 

public class CustomerDemo{

    public static void main(String [] args){
    
        }
}