Java wont run properly!

Hi,
I have downloaded the updates for Java and made sure the preferences are correct. Java isnt much help at all! It runs Java programs but not dailyfx.com graphs?! It just shows the Java logo. Is there something I need to download or correct?
Thanks

Thanks for popping in. I hadn't clicked on the charts link. When I did, all charts and currency items work as advertised.
*java -version* returns
java version "1.6.0_07"
Java(TM) SE Runtime Environment (build 1.6.0_07-b06-153)
Java HotSpot(TM) 64-Bit Server VM (build 1.6.0_07-b06-57, mixed mode)

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Hi,
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Finished writing amazing code that compiles but won't run properly

I finished writing this code for someone and it compiles but it does not run properly. Anyone see any problems? Any help would be gladly appreciated.
/* Program is for the Coconut Grove Palace Building. This program keeps track of the building occupants and the maintenance for each tenant using a simple menu system. */
import java.util.Scanner;
public class Grove {
private static Scanner keyboard = new Scanner(System.in);
/* Declaring values that will not change throughout the program. The plus one is so that people don't get confused */
private static final int TOTAL_BUILDING_MAX = 16 + 1;
private static final int TOTAL_FLOOR_MAX = 8 + 1;
private static final int APARTMENT_MAX = 4 + 1;
public static void main (String[] args) {
// Declare main variable
     int cocoPalace[][] = new int[2][3];
     char menuChoice;
     int aptNumber = 0;
     int floorNumber = 0;
     int totalFloor = 0;
     int totalBuilding = 0;
//Fill up the array with the original amount of 2 people per apartment
     for (int dex = 0; dex <3; dex++)
               cocoPalace[0][dex] = 2;
               cocoPalace[1][dex] = 2;
     System.out.println("Welcome to the coconut grove palace");
//Main part of the program that is essentially the menu screen.
     do
          //method that calculates the maintenance that will be used several times
          double buildingMaintenance = calculateMaintenance(cocoPalace);
          //Menu System using a switch command with nested for loops and other code.
               System.out.println("(A)partment, (B)uilding, (P)eople, E(x)it");
               menuChoice = keyboard.nextLine().charAt(0);
                    switch (menuChoice)
//FIRST CASE 'A' ASK FOR THE FLOOR AND APARTMENT NUMBER AND DISPLAYS THE MAINTENANCE COST FOR IT
               case 'a':
               //Idiot proof 1
               System.out.println("Please enter floor number :");
               floorNumber = keyboard.nextInt();
               while (floorNumber > 2)
               System.out.println("Floor number must be between 1 and 2. Try again:");
               floorNumber = keyboard.nextInt();
               //Idiot proof 2
               System.out.println("Please enter apartmentNumber :");
               aptNumber = keyboard.nextInt();
               while (aptNumber > 3)
               System.out.println("Apartment number must be between 1 and 3. Try again:");
               aptNumber = keyboard.nextInt();
               System.out.println("Floor number" + cocoPalace[floorNumber] + "Apartment number" + cocoPalace[floorNumber][aptNumber] + " : " + buildingMaintenance);
               break;
//SECOND CASE 'B' REPORTS THE OCCUPANCY AND MAINTENANCE FOR THE WHOLE BUILDING
               case 'b':
               for (int dex2 = 0; dex2 < 3; dex2++)
               System.out.println("Floor number 1 Apartment number " + cocoPalace[0][dex2] + " : " + buildingMaintenance);
               for (int dex3 = 0; dex3 < 2; dex3++)
               System.out.println("Floor number 2 Apartment number " + cocoPalace[1][dex3] + " : " + buildingMaintenance);
               break;
/*THIRD CASE 'P' ALLOWS THE USER TO CHANGE THE AMOUNT OF PEOPLE IN AN APARTMENT AND RECALCULATES THE MAINTENACE. IT IS ALSO "IDIOT PROOFED" SO THAT VALUES DO NOT EXCEED THE REGULATIONS OF THE BUILDING IT SELF */
               case 'p':
               //Idiot proof 1
               System.out.println("Please enter floor number : ");
               floorNumber = keyboard.nextInt();
               while (floorNumber > 3)
               System.out.println("Floor number must be between 1 and 2. Try again: ");
               floorNumber = keyboard.nextInt();
               //Idiot proof 2
               System.out.println("Please enter apartment number : ");
               aptNumber = keyboard.nextInt();
               while (aptNumber > 4)
               System.out.println("Apartment number must be between 1 and 3. Try again: ");
               aptNumber = keyboard.nextInt();
               //Idiot proof 3 with the amount of people being added at the same time.
               System.out.println("How many people will there be : ");
               int amountPeople = keyboard.nextInt();
               cocoPalace[floorNumber][aptNumber] = amountPeople;
               while (amountPeople > APARTMENT_MAX || totalBuilding > TOTAL_BUILDING_MAX || totalFloor > TOTAL_FLOOR_MAX )
          System.out.print("Too many people in building. Please try again : ");
               amountPeople = keyboard.nextInt();
                    cocoPalace[floorNumber][aptNumber] = amountPeople;
               break;
     while (menuChoice != 'x'|| menuChoice != 'a' || menuChoice != 'p' || menuChoice != 'b');
//Method to calculate maintenance.
private static double calculateMaintenance(int cocoPalace[][])
     int amountPeople = 0;
     for (int dex4 = 0; dex4 < 2; dex4++)
               amountPeople += cocoPalace[0][dex4];
               amountPeople += cocoPalace[1][dex4];
               cocoPalace[0][dex4] = 2;
               cocoPalace[1][dex4] = 2;
          double buildingMaintenance = 5000/(amountPeople);
     return(buildingMaintenance);
}

ok the array problem is fixed i was having a simple "one off" mistake when accessing the array.
As for the error that i keep getting. I honestly can't see where the problem with this is in code.
The it cant be equalt to nothing because this is written so that it has to equal a letter before the program actually runs through everything. Thanks again for the help
here is the error that i am getting when the program runs.
Exception in thread "main" java.lang.StringIndexOutOfBoundsException: String index out of range: 0
at java.lang.String.charAt(String.java:558)
at Grove.main(Grove.java:46)
Here is the code with the new corrections.
/* Program is for the Coconut Grove Palace Building. This program keeps track of the building occupants and the maintenance for each tenant using a simple menu system. */
import java.util.Scanner;
public class Grove {
private static Scanner keyboard = new Scanner(System.in);
/* Declaring values that will not change throughout the program. The plus one is so that people don't get confused */
private static final int TOTAL_BUILDING_MAX = 16 + 1;
private static final int TOTAL_FLOOR_MAX = 8 + 1;
private static final int APARTMENT_MAX = 4 + 1;
public static void main (String[] args) {
// Declare main variable
     int cocoPalace[][] = new int[2][3];
     char menuChoice;
     int totalFloor = 0;
     int totalBuilding = 0;
//Fill up the array with the original amount of 2 people per apartment
     for (int dex = 0; dex <3; dex++)
               cocoPalace[0][dex] = 2;
               cocoPalace[1][dex] = 2;
     System.out.println("Welcome to the coconut grove palace");
//Main part of the program that is essentially the menu screen.
     do
     //Variables intialized
     int aptNumber = 0;
     int floorNumber = 0;
          //method that calculates the maintenance that will be used several times
          double buildingMaintenance = calculateMaintenance(cocoPalace);
          //Menu System using a switch command with nested for loops and other code.
               System.out.println("(A)partment, (B)uilding, (P)eople, E(x)it");
               menuChoice = keyboard.nextLine().charAt(0);
                    switch (menuChoice)
//FIRST CASE 'A' ASK FOR THE FLOOR AND APARTMENT NUMBER AND DISPLAYS THE MAINTENANCE COST FOR IT
               case 'a':
               //Idiot proof 1
               System.out.println("Please enter floor number     :");
               floorNumber = keyboard.nextInt();
               while (floorNumber > 2)
               System.out.println("Floor number must be between 1 and 2. Try again:");
               floorNumber = keyboard.nextInt();
               //Idiot proof 2
               System.out.println("Please enter apartmentNumber :");
               aptNumber = keyboard.nextInt();
               while (aptNumber > 3)
               System.out.println("Apartment number must be between 1 and 3. Try again:");
               aptNumber = keyboard.nextInt();
               System.out.println("Floor number" + cocoPalace[floorNumber] + "Apartment number" + cocoPalace[floorNumber - 1][aptNumber - 1] + " : " + buildingMaintenance);
               break;
//SECOND CASE 'B' REPORTS THE OCCUPANCY AND MAINTENANCE FOR THE WHOLE BUILDING
               case 'b':
               for (int dex2 = 0; dex2 < 3; dex2++)
               System.out.println("Floor number 1 Apartment number " + cocoPalace[0][dex2] + " : " + buildingMaintenance);
               for (int dex3 = 0; dex3 < 2; dex3++)
               System.out.println("Floor number 2 Apartment number " + cocoPalace[1][dex3] + " : " + buildingMaintenance);
               break;
/*THIRD CASE 'P' ALLOWS THE USER TO CHANGE THE AMOUNT OF PEOPLE IN AN APARTMENT AND RECALCULATES THE MAINTENACE. IT IS ALSO "IDIOT PROOFED" SO THAT VALUES DO NOT EXCEED THE REGULATIONS OF THE BUILDING IT SELF */
               case 'p':
               //Idiot proof 1
               System.out.println("Please enter floor number     : ");
               floorNumber = keyboard.nextInt();
               while (floorNumber > 2)
               System.out.println("Floor number must be between 1 and 2. Try again: ");
               floorNumber = keyboard.nextInt();
               //Idiot proof 2
               System.out.println("Please enter apartment number : ");
               aptNumber = keyboard.nextInt();
               while (aptNumber > 3)
               System.out.println("Apartment number must be between 1 and 3. Try again: ");
               aptNumber = keyboard.nextInt();
               //Idiot proof 3 with the amount of people being added at the same time.
               System.out.println("How many people will there be : ");
               int amountPeople = keyboard.nextInt();
               cocoPalace[floorNumber - 1][aptNumber - 1] = amountPeople;
               while (amountPeople > APARTMENT_MAX || totalBuilding > TOTAL_BUILDING_MAX || totalFloor > TOTAL_FLOOR_MAX )
                      System.out.print("Too many people in building. Please try again : ");
                           amountPeople = keyboard.nextInt();
                    cocoPalace[floorNumber - 1][aptNumber - 1] = amountPeople;
               break;
     while (menuChoice != 'x'|| menuChoice != 'a' || menuChoice != 'p' || menuChoice != 'b');
//Method to calculate maintenance.
private static double calculateMaintenance(int cocoPalace[][])
     int amountPeople = 0;
     for (int dex4 = 0; dex4 < 2; dex4++)
               amountPeople += cocoPalace[0][dex4];
               amountPeople += cocoPalace[1][dex4];
               cocoPalace[0][dex4] = 2;
               cocoPalace[1][dex4] = 2;
          double buildingMaintenance = 5000/(amountPeople);
     return(buildingMaintenance);
}

Code compiles but wont run

Hi,
My prgram was working fine until I added some database stuff to it, now it will compile but it wont run, heres my relevent code:
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import java.util.*;
import java.sql.*;
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thats exactly what I put in... what else can I do so I can see whats going on? Here's the entire code in case you need it:
import java.awt.*;
import javax.swing.*;
import javax.swing.event.*;
import java.util.*;
import java.sql.*;
public class DisplayController extends JFrame
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          accountList = new JComboBox(vector1);
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                         ResultSetMetaData metaData = resultSet.getMetaData();
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                         results.append(metaData.getColumnName(i) + "\t");
                         results.append("\n");
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                              for(int i = 1; i<= numberOfColumns; i++)
                              results.append(resultSet.getObject(i) + "\t");
                              results.append("\n");
                    catch(SQLException sqlException)
                         JOptionPane.showMessageDialog(null,sqlException.getMessage(),
                         "Database Error1", JOptionPane.ERROR_MESSAGE);
                         System.exit(1);
     );//end anonymous inner class
/* sets up a savings planner to
     calculate various saving senarios
      JComboBox weekMonthYear;
          JLabel amount = new JLabel("Amount         ");
          JLabel time = new JLabel("Time               ");
          JLabel interestRate = new JLabel("Interest Rate");
          JLabel total = new JLabel("Total");
          JButton calc = new JButton("Calculate");
          JPanel top, panAmount, panTime, panTotal, panCalculate;
          JPanel panInterest = new JPanel();
          JPanel container1 = new JPanel();
          String comboNames[] = {"Weekly","Monthly","Yearly"};
          container1.setLayout(new BoxLayout(container1, BoxLayout.PAGE_AXIS));
          weekMonthYear = new JComboBox(comboNames);
          top = new JPanel();
          top.setLayout(new FlowLayout());
          top.add(weekMonthYear);
          panAmount = new JPanel();
          panAmount.setLayout(new FlowLayout());
          panAmount.add(amount);
          txtAmount = new JTextField(7);
          panAmount.add(txtAmount);
          panTime = new JPanel();
          panTime.setLayout(new FlowLayout());
          panTime.add(time);
          txtTime = new JTextField(7);
          panTime.add(txtTime);
          panInterest.setLayout(new FlowLayout());
          panInterest.add(interestRate);
          txtInterest = new JTextField(7);
          panInterest.add(txtInterest);
          panTotal = new JPanel();
          panTotal.setLayout(new FlowLayout());
          panTotal.add(total);
          lblTotal = new JLabel();
          panTotal.add(lblTotal);
          panCalculate = new JPanel();
          panCalculate.setLayout(new FlowLayout());
          panCalculate.add(calc);
          container1.add(top);
          container1.add(panAmount);
          container1.add(panTime);
          container1.add(panInterest);
          container1.add(panTotal);
          container1.add(panCalculate);
          tabbedPane.addTab("Savings Planner",null,container1,"Test Savings Senerios");
          JPanel budgetTop, budgetBottom, budgetMain;
          JList budgetList;
          JButton addBudget;
          JTextField txtAddBudget;
          budgetMain = new JPanel();
          budgetList = new JList();
          budgetList.setVisibleRowCount(10);
          budgetTop = new JPanel();
          budgetTop.setLayout(new FlowLayout());
          budgetTop.add(budgetList);
          addBudget = new JButton("Add Budgeted Item");
          txtAddBudget = new JTextField(20);
          budgetBottom = new JPanel();
          budgetBottom.setLayout(new FlowLayout());
          budgetBottom.add(addBudget);
          budgetBottom.add(txtAddBudget);
          budgetMain.setLayout(new GridLayout(2,1));
          budgetMain.add(budgetTop);
          budgetMain.add(budgetBottom);
          tabbedPane.addTab("Budget",null,budgetMain,"View and Edit your Budget");
      getContentPane().add( tabbedPane );
      setSize( 700, 400 );
      setVisible( true );
   } // end constructor
   public static void main( String args[] )
      DisplayController app = new DisplayController();
      app.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );
} // end class DisplayController

Help with code please, it wont run

Hi all can anyone tell me why this wont run please, thanks
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
class SwingApplication extends JFrame
public SwingApplication()
setDefaultCloseOperation(EXIT_ON_CLOSE);
setLocation(300,200);
setSize(700,600);
JButton answerButton = new JButton("Answer");
JButton submit = new JButton("Submit");
JButton button = new JButton("Next Question");
JButton NextRecord = new JButton("Next Record");
JTextField answerText = new JTextField("");
JTextArea QuestionArea = new JTextArea("QuestionArea");
JPanel pane = new JPanel();
JLabel label1 = new JLabel ("Answer the following question");
JLabel mouseLabel = new JLabel();
JLabel lblpic1 = new JLabel();
     lblpic1.setIcon(new ImageIcon("couple.jpg") );
submit.setToolTipText("Click to get solution");
pane.add(label1);
pane.add(button);
pane.add(answerText);
pane.add(answerButton);
pane.add(submit);
pane.add(NextRecord);
getContentPane().add(pane,BorderLayout.SOUTH);
getContentPane().add(label1,BorderLayout.NORTH);
getContentPane().add(lblpic1,BorderLayout.CENTER);
getContentPane().add(QuestionArea, BorderLayout.WEST);
public void mouseMoved(MouseEvent e)
mouseLabel.add("x = " + e.getX() + ", y = " + e.getY());
public static void main(String[] args)
     new SwingApplication().setVisible(true);
}

this compiles, anyway:
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class SwingApplication extends JFrame
   JButton answerButton = new JButton("Answer");
   JButton submit = new JButton("Submit");
   JButton button = new JButton("Next Question");
   JButton NextRecord = new JButton("Next Record");
   JTextField answerText = new JTextField("");
   JTextArea QuestionArea = new JTextArea("QuestionArea");
   JPanel pane = new JPanel();
   JLabel label1 = new JLabel ("Answer the following question");
   JLabel mouseLabel = new JLabel();
   JLabel lblpic1 = new JLabel();
   public SwingApplication()
      setDefaultCloseOperation(EXIT_ON_CLOSE);
      setLocation(300,200);
      setSize(700,600);
      lblpic1.setIcon(new ImageIcon("couple.jpg") );
      submit.setToolTipText("Click to get solution");
      pane.add(label1);
      pane.add(button);
      pane.add(answerText);
      pane.add(answerButton);
      pane.add(submit);
      pane.add(NextRecord);
      getContentPane().add(pane,BorderLayout.SOUTH);
      getContentPane().add(label1,BorderLayout.NORTH);
      getContentPane().add(lblpic1,BorderLayout.CENTER);
      getContentPane().add(QuestionArea, BorderLayout.WEST);
   public void mouseMoved(MouseEvent e)
      mouseLabel.setText("x = " + e.getX() + ", y = " + e.getY());
   public static void main(String[] args)
      new SwingApplication().setVisible(true);
}Learn about coding standards and styles. Yours is awful.
%

Java wont run properly!

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