How do I cycle through an array in Java pt. 2

C:\Users\Charles\Desktop\Inventorytest.java:84: cannot find symbol
symbol  : variable carArray
location: class Inventorytest
		text = new JTextArea(carArray[0].toString());
		                     ^
C:\Users\Charles\Desktop\Inventorytest.java:117: cannot find symbol
symbol  : variable carArray
location: class Inventorytest.ButtonHandler
		    text.setText(carArray[0].toString());
		                 ^
C:\Users\Charles\Desktop\Inventorytest.java:135: cannot find symbol
symbol  : variable carArray
location: class Inventorytest.ButtonHandler3
		    text.setText(carArray[0].toString());
		                 ^
C:\Users\Charles\Desktop\Inventorytest.java:145: cannot find symbol
symbol  : variable carArray
location: class Inventorytest.ButtonHandler4
			counter = carArray.length - 1;
			          ^
C:\Users\Charles\Desktop\Inventorytest.java:147: cannot find symbol
symbol  : variable carArray
location: class Inventorytest.ButtonHandler4
		    text.setText(carArray[counter].toString());
		                 ^
5 errors
 
Tool completed with exit code 1

                                              

1:
2:
3:
4:
5:
6:
7:
8:
9:
10:
11:
12:
13:
14:
15:
16:
17:
18:
19:
20:
21:
22:
23:
24:
25:
26:
27:
28:

import java.awt.FlowLayout;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import javax.swing.JFrame;
import javax.swing.JButton;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JOptionPane;
import javax.swing.JTextArea;
 
public class Inventorytest extends JFrame
 
{
	private JButton firstButton;
	private JButton prevButton;
	private JButton nextButton;
	private JButton lastButton;
	int counter = 0;
 
	//create text area in frame to display object
	JTextArea text;
 
 
public static void main(String[] args)
 
{
    Cartestadd[] carArray = new Cartestadd[1];
    for (int i = 0; i < carArray.length; i++)
{
	carArray[i] = new Cartestadd();
 
    String stockNumberString = JOptionPane.showInputDialog(" Enter the stock number: ");
    int stockNumber = Integer.parseInt(stockNumberString); //function that converts strng to int
    carArray[i].setStockNumber(stockNumber);
 
     String stockNameString = JOptionPane.showInputDialog(" Enter stock name: ");
     carArray[i].setStockName(stockNameString);
 
 
     String inStockString = JOptionPane.showInputDialog(" Enter number of units in stock: ");
     int inStock = Integer.parseInt(inStockString);
     carArray[i].setInStock(inStock);
 
    String stockPriceString = JOptionPane.showInputDialog(" Enter stock price per unit: ");
    double stockPrice = Double.parseDouble(stockPriceString);
    carArray[i].setStockPrice(stockPrice);
 
 
 
 
}
 
for (int i = 0; i < carArray.length; i++)
   JOptionPane.showMessageDialog(null, carArray[i].toString());
 
int i = 0;
 
JFrame frame = new Inventorytest(carArray);
 
 
//JButton jbtOK = new JButton(carArray[i].toString());
//frame.add(jbtOK);
 
frame.setTitle("Inventory program");
frame.setSize(400, 300);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setLocationRelativeTo(null);
frame.setVisible(true);
 
 
 
 
}
 
public Inventorytest()
	{
		super("Inventory");
		setLayout(new FlowLayout());
 
		text = new JTextArea(carArray[0].toString());
        add(text);
 
		firstButton = new JButton("First Item");
		add(firstButton);
 
		prevButton = new JButton("First Item");
		add(prevButton);
 
		nextButton = new JButton("First Item");
		add(nextButton);
 
		lastButton = new JButton("First Item");
		add(lastButton);
 
		ButtonHandler first = new ButtonHandler();
		ButtonHandler2 prev = new ButtonHandler2();
		ButtonHandler3 next = new ButtonHandler3();
		ButtonHandler4 last = new ButtonHandler4();
 
		firstButton.addActionListener(first);
		prevButton.addActionListener(prev);
		nextButton.addActionListener(next);
		lastButton.addActionListener(last);
 
	}
                                              

1:
2:
3:
4:
5:
6:
7:
8:
9:
10:
11:
12:
13:
14:
15:
16:
17:
18:
19:
20:
21:
22:
23:
24:
25:
26:
27:
28:
29:
30:
31:
32:
33:
34:
35:
36:
37:
38:
39:
40:
41:
42:
43:
44:
45:
46:
47:
48:
49:
50:
51:
52:
53:
54:
55:
56:
57:
58:
59:
60:
61:
62:
63:
64:
65:
66:
67:
68:
69:
70:
71:
72:
73:
74:
75:
76:
77:
78:
79:
80:
81:
82:
83:
84:
85:
86:
87:
88:
89:
90:
91:
92:
93:
94:
95:
96:
97:
98:
99:
100:
101:
102:
103:
104:
105:

C:\Users\Charles\Desktop\Inventorytest.java:117: cannot find symbol
symbol  : variable array
location: class Inventorytest.ButtonHandler
		    text.setText(array[0].toString());
		                 ^
C:\Users\Charles\Desktop\Inventorytest.java:135: cannot find symbol
symbol  : variable array
location: class Inventorytest.ButtonHandler3
		    text.setText(array[0].toString());
		                 ^
C:\Users\Charles\Desktop\Inventorytest.java:145: cannot find symbol
symbol  : variable array
location: class Inventorytest.ButtonHandler4
			counter = array.length - 1;
			          ^
C:\Users\Charles\Desktop\Inventorytest.java:147: cannot find symbol
symbol  : variable array
location: class Inventorytest.ButtonHandler4
		    text.setText(array[counter].toString());
		                 ^
4 errors
 
Tool completed with exit code 1
                                              

1:
2:
3:
4:
5:
6:
7:
8:
9:
10:
11:
12:
13:
14:
15:
16:
17:
18:
19:
20:
21:
22:
23:

public Inventorytest(Cartestadd[] array)
	{
		super("Inventory");
 
		String[] carArray;
 
		setLayout(new FlowLayout());
 
		text = new JTextArea(array[0].toString());
        add(text);
 
		firstButton = new JButton("First Item");
		add(firstButton);
 
		prevButton = new JButton("First Item");
		add(prevButton);
 
		nextButton = new JButton("First Item");
		add(nextButton);
 
		lastButton = new JButton("First Item");
		add(lastButton);
 
		ButtonHandler first = new ButtonHandler();
		ButtonHandler2 prev = new ButtonHandler2();
		ButtonHandler3 next = new ButtonHandler3();
		ButtonHandler4 last = new ButtonHandler4();
 
		firstButton.addActionListener(first);
		prevButton.addActionListener(prev);
		nextButton.addActionListener(next);
		lastButton.addActionListener(last);
 
	}
 
	//First button that displays the first object in the array
	private class ButtonHandler implements ActionListener
	{
		public void actionPerformed(ActionEvent f)
		{
 
		    text.setText(array[0].toString());
 
		}
	}
 
	private class ButtonHandler2 implements ActionListener
	{
		public void actionPerformed(ActionEvent p)
		{
			JOptionPane.showMessageDialog(Inventorytest.this, String.format("You pressed: PREVIOUS"));
		}
	}
 
	private class ButtonHandler3 implements ActionListener
	{
		public void actionPerformed(ActionEvent n)
		{
 
		    text.setText(array[0].toString());
 
		}
	}
 
	//Last button that displays last object in the array
	private class ButtonHandler4 implements ActionListener
	{
		public void actionPerformed(ActionEvent l)
		{
			counter = array.length - 1;
 
		    text.setText(array[counter].toString());
		}
	}
                                              

1:
2:
3:
4:
5:
6:
7:
8:
9:
10:
11:
12:
13:
14:
15:
16:
17:
18:
19:
20:
21:
22:
23:
24:
25:
26:
27:
28:
29:
30:
31:
32:
33:
34:
35:
36:
37:
38:
39:
40:
41:
42:
43:
44:
45:
46:
47:
48:
49:
50:
51:
52:
53:
54:
55:
56:
57:
58:
59:
60:
61:
62:
63:
64:
65:
66:
67:
68:
69:
70:
71:
72:
73:
74:

//First button that displays the first object in the array
	private class ButtonHandler implements ActionListener
	{
		public void actionPerformed(ActionEvent f)
		{
 
		    text.setText(array[0].toString());
 
		}
	}

                                              

1:
2:
3:
4:
5:
6:
7:
8:
9:
10:

import java.awt.FlowLayout;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import javax.swing.JFrame;
import javax.swing.JButton;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JOptionPane;
import javax.swing.JTextArea;
 
public class Inventorytest extends JFrame
 
{
	private JButton firstButton;
	private JButton prevButton;
	private JButton nextButton;
	private JButton lastButton;
	int counter = 0;
 
	//create text area in frame to display object
	JTextArea text;
 
 
public static void main(String[] args)
 
{
    Cartestadd[] carArray = new Cartestadd[1];
    for (int i = 0; i < carArray.length; i++)
{
	carArray[i] = new Cartestadd();
 
    String stockNumberString = JOptionPane.showInputDialog(" Enter the stock number: ");
    int stockNumber = Integer.parseInt(stockNumberString); //function that converts strng to int
    carArray[i].setStockNumber(stockNumber);
 
     String stockNameString = JOptionPane.showInputDialog(" Enter stock name: ");
     carArray[i].setStockName(stockNameString);
 
 
     String inStockString = JOptionPane.showInputDialog(" Enter number of units in stock: ");
     int inStock = Integer.parseInt(inStockString);
     carArray[i].setInStock(inStock);
 
    String stockPriceString = JOptionPane.showInputDialog(" Enter stock price per unit: ");
    double stockPrice = Double.parseDouble(stockPriceString);
    carArray[i].setStockPrice(stockPrice);
 
 
 
 
}
 
for (int i = 0; i < carArray.length; i++)
   JOptionPane.showMessageDialog(null, carArray[i].toString());
 
int i = 0;
 
JFrame frame = new Inventorytest(carArray);
 
 
//JButton jbtOK = new JButton(carArray[i].toString());
//frame.add(jbtOK);
 
frame.setTitle("Inventory program");
frame.setSize(400, 300);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setLocationRelativeTo(null);
frame.setVisible(true);
 
 
 
 
}
 
public Inventorytest(Cartestadd[] array)
	{
		super("Inventory");
 
		String[] carArray;
 
		setLayout(new FlowLayout());
 
		text = new JTextArea(array[0].toString());
        add(text);
 
		firstButton = new JButton("First Item");
		add(firstButton);
 
		prevButton = new JButton("First Item");
		add(prevButton);
 
		nextButton = new JButton("First Item");
		add(nextButton);
 
		lastButton = new JButton("First Item");
		add(lastButton);
 
		ButtonHandler first = new ButtonHandler();
		ButtonHandler2 prev = new ButtonHandler2();
		ButtonHandler3 next = new ButtonHandler3();
		ButtonHandler4 last = new ButtonHandler4();
 
		firstButton.addActionListener(first);
		prevButton.addActionListener(prev);
		nextButton.addActionListener(next);
		lastButton.addActionListener(last);
 
	}
 
	//First button that displays the first object in the array
	private class ButtonHandler implements ActionListener
	{
		public void actionPerformed(ActionEvent f)
		{
 
		    text.setText(carArray[0]);
 
		}
	}
 
	private class ButtonHandler2 implements ActionListener
	{
		public void actionPerformed(ActionEvent p)
		{
			JOptionPane.showMessageDialog(Inventorytest.this, String.format("You pressed: PREVIOUS"));
		}
	}
 
	private class ButtonHandler3 implements ActionListener
	{
		public void actionPerformed(ActionEvent n)
		{
 
		    text.setText(array[0]);
 
		}
	}
 
	//Last button that displays last object in the array
	private class ButtonHandler4 implements ActionListener
	{
		public void actionPerformed(ActionEvent l)
		{
			counter = array.length - 1;
 
		    text.setText(array[counter].toString());
		}
	}
 
}
                                              

1:
2:
3:
4:
5:
6:
7:
8:
9:
10:
11:
12:
13:
14:
15:
16:
17:
18:
19:
20:
21:
22:
23:
24:
25:
26:
27:
28:
29:
30:
31:
32:
33:
34:
35:
36:
37:
38:
39:
40:
41:
42:
43:
44:
45:
46:
47:
48:
49:
50:
51:
52:
53:
54:
55:
56:
57:
58:
59:
60:
61:
62:
63:
64:
65:
66:
67:
68:
69:
70:
71:
72:
73:
74:
75:
76:
77:
78:
79:
80:
81:
82:
83:
84:
85:
86:
87:
88:
89:
90:
91:
92:
93:
94:
95:
96:
97:
98:
99:
100:
101:
102:
103:
104:
105:
106:
107:
108:
109:
110:
111:
112:
113:
114:
115:
116:
117:
118:
119:
120:
121:
122:
123:
124:
125:
126:
127:
128:
129:
130:
131:
132:
133:
134:
135:
136:
137:
138:
139:
140:
141:
142:
143:
144:
145:
146:
147:
148:
149:
150:

public class Cartestadd extends Cartest
 
{
	public double reStock = 0.0;
 
	public double Cartestadd()
	{
		reStock = 0.0;
	    return reStock;
	}
 
	public double Cartestadd (double fee)
	{
		reStock = fee;
		return reStock;
	}
 
	public double getReStock()
	{
		return getTotalValue() * .05;
	}
 
	public String toString()
	{
		return "StockID: " + getStockNumber() + '\n' +
		"Stock name: " + getStockName() + '\n' +
		"Units in stock: " + getInStock() + '\n' +
	    "Price per unit: " + getStockPrice() +
 
	    '\n' + "Total stockValue: " + getTotalValue() +
	    '\n' + "restocking fee:" + getReStock();
    }
}
                                              

1:
2:
3:
4:
5:
6:
7:
8:
9:
10:
11:
12:
13:
14:
15:
16:
17:
18:
19:
20:
21:
22:
23:
24:
25:
26:
27:
28:
29:
30:
31:
32:
33:

public class Cartest //public class declaration
 
{
private int stockNumber;
private String stockName;
private int inStock;
private double stockPrice;
private double totalValue;
 
public Cartest()
{
  stockNumber = 0;
  stockName = " ";
  inStock = 0;
  stockPrice = 0.0;
  totalValue = 0.0;
} //end constructor set to default
 
public Cartest(int stockNum, String name, int num, double price)  //arguments
 
{
 
 
 
 stockNumber = stockNum;
 stockName = name;
 inStock = num;
 stockPrice = price;
 totalValue = inStock * stockPrice; //not argument calculated file
}//end argument requirements
 
 
 
public void setStockNumber(int stockNum)
{
   stockNumber = stockNum;
}
 
public int getStockNumber()
{return stockNumber;}
 
public void setStockName(String name)
{
  stockName = name;
}
 
public String getStockName()
{return stockName;}
 
public void setInStock(int num)
{
  inStock = num;
}
 
public int getInStock()
{
	return inStock;
}
 
public void setStockPrice(double price)
{
  stockPrice = price;
}
 
public double getStockPrice()
{
	return stockPrice;
}
 
public double getTotalValue()
{
  return inStock * stockPrice;
 
}
public String toString()
{
	return "StockID: " + getStockNumber() + '\n' +
	"Stock name: " + getStockName() + '\n' +
	"Units in stock: " + getInStock() + '\n' +
    "Price per unit: " + getStockPrice() +
 
    '\n' + "Total stockValue: " + getTotalValue();
}
 
} //end class
                                              

1:
2:
3:
4:
5:
6:
7:
8:
9:
10:
11:
12:
13:
14:
15:
16:
17:
18:
19:
20:
21:
22:
23:
24:
25:
26:
27:
28:
29:
30:
31:
32:
33:
34:
35:
36:
37:
38:
39:
40:
41:
42:
43:
44:
45:
46:
47:
48:
49:
50:
51:
52:
53:
54:
55:
56:
57:
58:
59:
60:
61:
62:
63:
64:
65:
66:
67:
68:
69:
70:
71:
72:
73:
74:
75:
76:
77:
78:
79:
80:
81:
82:
83:
84:
85:

C:\Users\Charles\Desktop\Inventorytest.java:117: cannot find symbol
symbol  : variable array
location: class Inventorytest.ButtonHandler
		    text.setText(array[0].toString());
		                 ^
C:\Users\Charles\Desktop\Inventorytest.java:135: cannot find symbol
symbol  : variable array
location: class Inventorytest.ButtonHandler3
		    text.setText(array[0].toString());
		                 ^
C:\Users\Charles\Desktop\Inventorytest.java:145: cannot find symbol
symbol  : variable array
location: class Inventorytest.ButtonHandler4
			counter = array.length - 1;
			          ^
C:\Users\Charles\Desktop\Inventorytest.java:147: cannot find symbol
symbol  : variable array
location: class Inventorytest.ButtonHandler4
		    text.setText(array[counter].toString());
		                 ^
4 errors
 
Tool completed with exit code 1

                                              

1:
2:
3:
4:
5:
6:
7:
8:
9:
10:
11:
12:
13:
14:
15:
16:
17:
18:
19:
20:
21:
22:
23: