I cannot figure out how to get my icon to display, or get the GUI to flip through my array object. i have many errors that i cannot solve. i hope some one can help me. here is my code.
import javax.swing.JFrame;//imports java's JFrame component
//-----------------------------------------------------------------------------------------------------------
//-----------------------------------------------------------------------------------------------------------
//Main Class Inventory
public class Inventory extends JFrame//extends the JFrame component
{//001
//-----------------------------------------------------------------------------------------------------------
// The main class declartion with the method that implaments the GUI class of the inventory program
//-----------------------------------------------------------------------------------------------------------
public static void main(String args[])//Declaration of main method. Makes the class Inventory the application class
{//002
InventoryInterface Interface = new InventoryInterface();
Interface.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
Interface.setSize(320,300);
Interface.setVisible(true);
//-----------------------------------------------------------------------------------------------------------
//-----------------------------------------------------------------------------------------------------------
}//002
}//001import javax.swing.JTextField;
//-----------------------------------------------------------------------------------------------------------
// This class has been created for the purpose of contorling the out put of the Digital Camera object.
// This class also performs calculations for the return of the total value of the inventory.
//-----------------------------------------------------------------------------------------------------------
public class Methods extends DigitalCamera
{//001
int counter = 0;//stores the counter value, and set it to start at the zero object of the array
int Last;//stores the last as a result from methods perform in teh set method, and is also use to return in the get method. that is the methods that use this variable
DigitalCamera[] myDigitalCamera = new DigitalCamera[counter];//Creates DigitalCamera array object with getArrayNumber for creating new objects
int ArrayNumber;//stores the arrayNumber from the counter value
//-----------------------------------------------------------------------------------------------------------
// Constructor for the Methods class
//-----------------------------------------------------------------------------------------------------------
Methods()
{//002
myDigitalCamera[0] = new DigitalCamera(1001,"A",20,100.89,5.8);//Defines the DigitalCamera object
myDigitalCamera[1] = new DigitalCamera(1002,"B",10,389.78,9.7);//Defines the DigitalCamera object
myDigitalCamera[2] = new DigitalCamera(1003,"C",15,235.58,5.5);//Defines the DigitalCamera object
myDigitalCamera[3] = new DigitalCamera(1004,"D",2,545.91,10.2);//Defines the DigitalCamera object
myDigitalCamera[4] = new DigitalCamera(1005,"E",50,45.21,4.5);//Defines the DigitalCamera object
}//002
//-----------------------------------------------------------------------------------------------------------
// Collection of methods that allow GUI navagation through the Digital Camera inventory
//-----------------------------------------------------------------------------------------------------------
public int getNext()
{//003
return counter++;
}//003
//============================
public int getPrivious()
{//004
return counter--;
}//004
//============================
public int getFirst()
{//005
return counter = 0;
}//005
//============================
public int getLast()
{//006
return Last;
}//006
//============================
public int getCounter()
{//009
return counter;
}//009
//-----------------------------------------------------------------------------------------------------------
// Collection of Methods for setting the inventorys total cost
//-----------------------------------------------------------------------------------------------------------
public void setTotalCost(double C)//Method for calculating the total cost of inventroy
{//010
for (counter = 0; counter < getCounter(); counter++)//cycles through the digital camera array
{//011
double Q;
double Q1;
Q = myDigitalCamera[getCounter()].getQTY() * myDigitalCamera[getCounter()].getUnitCost();
}//011
}//010
//============================================================================================================
public double getTotalCost(double C)//Method for calling the total cost of inventroyx
{//012
return C;
}//012
//-----------------------------------------------------------------------------------------------------------
// Colection of set methods for user input
//-----------------------------------------------------------------------------------------------------------
@Override
public void setUPC(int UPC)
{
UPC = myDigitalCamera[getCounter()].UPC;
}
//================================================
@Override
public void setDescription(String Name)
{
Name = myDigitalCamera[getCounter()].Name;
}
//================================================
@Override
public void setQTY(int QTY)
{
QTY = myDigitalCamera[getCounter()].QTY;
}
//================================================
@Override
public void setCost(double Cost)
{
Cost = myDigitalCamera[getCounter()].Cost;
}
//================================================
@Override
public void setRes(double ImageResolution)
{
ImageResolution = myDigitalCamera[getCounter()].ImageResolution;
}
}//001//Camera class
public class Camera
{//001
//-----------------------------------------------------------------------------------------------------------
//-----------------------------------------------------------------------------------------------------------
//Stores data
private int UPC;
private String Name;
private int QTY;
private double UnitCost;
private double TotalItemCost;
//-----------------------------------------------------------------------------------------------------------
//-----------------------------------------------------------------------------------------------------------
//Empty Constrcutor. Does nothing.
Camera()
{
}
//-----------------------------------------------------------------------------------------------------------
//-----------------------------------------------------------------------------------------------------------
//Camera constructor stores camera data, and creates a way to pass the data to another class.
Camera(int PartNumber, String Description, int Quantity, double CostPerUnit)
{
UPC = PartNumber;//stores UPC of the camera
Name = Description;//stores Description of the camera
QTY = Quantity;//stores the quantity of the camera
UnitCost = CostPerUnit;//stores the unit cost
}
//-----------------------------------------------------------------------------------------------------------
//-----------------------------------------------------------------------------------------------------------
//Method for setting the total cost of one camera item
public void setCostOfInventory(double TotalItemCost)
{
TotalItemCost = UnitCost * QTY;//calcualates the total for one camera type
}
//Method to return the total item cost
public double getCostOfInventory()
{
return TotalItemCost;//returns the total item cost when the method is called
}
//Method for returning the UPC number of a camera item
public int getUPC()
{
return UPC;//returns the UPC number when the method is called
}
//Method for returning the name of a camera item
public String getName()
{
return Name;//returns the name of a camera when the method is called
}
//Mehod for returning the quantity of a camera item
public int getQTY()
{
return QTY;//retruns the quantity of a camera item when the method is called
}
//Method for returning the unit cost of a camera item
public double getUnitCost()
{
return UnitCost;//returns the unit cost of a camera item when the method is called
}
//-----------------------------------------------------------------------------------------------------------
//-----------------------------------------------------------------------------------------------------------
}//DigitalCamera class extends the Camera class and adds resolution
public class DigitalCamera extends Camera
{//001
//-----------------------------------------------------------------------------------------------------------
//-----------------------------------------------------------------------------------------------------------
public double ImageResolution;//Variable for storing the resolution of a camera
public int UPC;
public String Name;
public int QTY;
public double Cost;
//-----------------------------------------------------------------------------------------------------------
//-----------------------------------------------------------------------------------------------------------
//Empty Construct. This construct does nothing.
DigitalCamera()
{//002
}//002
//-----------------------------------------------------------------------------------------------------------
//-----------------------------------------------------------------------------------------------------------
//This is the public Constructor of DigitalCamera. This construct serves the purpose of calling class
//Camera constructor, and adding the resolution element. The purpose of this is so that we can store
//data in the camera class along with the new element decalered here in the digitalCamera class.
public DigitalCamera(int PartNumber, String Description, int Quantity, double CostPerUnit,double Resolution)
{//003
super(PartNumber,Description,Quantity,CostPerUnit);//invokes the Camera class's constructor
ImageResolution = Resolution;//stores the resolution data
}//003
//-----------------------------------------------------------------------------------------------------------
// Collection of get methods
//-----------------------------------------------------------------------------------------------------------
//method for reuturning the resolution
public double getImageResolution()
{//004
return ImageResolution;//returns the resolution of a camera item when the method is called
}//004
@Override
public int getUPC()
{
return UPC;
}
@Override
public String getName()
{
return Name;
}
@Override
public int getQTY()
{
return QTY;
}
public double getCost()
{
return Cost;
}
//-----------------------------------------------------------------------------------------------------------
// Collection of set methods
//-----------------------------------------------------------------------------------------------------------
public void setUPC(int PartNumber)
{
UPC = PartNumber;
}
public void setDescription(String Description)
{
Name = Description;
}
public void setQTY(int Quantity)
{
QTY = Quantity;
}
public void setCost(double CostPerUnit)
{
Cost = CostPerUnit;
}
public void setRes(double Resolution)
{
ImageResolution = Resolution;
}
}//001