Array out of bounds Exception

this code :
public void clearAroundTile (int row, int col) {
        //Checks if a tile is visited, has a hint and hintvalue == adjacent flagged tiles
       if(tiles[row][col].isVisited() && tiles[row][col].isHint() && tiles[row][col].getHint()<= getNumFlagsAround(tiles[row][col])){
         if(!tileAt(tiles[row][col], Direction.N).isFlagged()){
             visitTile(tileAt(tiles[row][col], Direction.N));
         if(!tileAt(tiles[row][col], Direction.NE).isFlagged()){
             visitTile(tileAt(tiles[row][col], Direction.NE));
         if(!tileAt(tiles[row][col], Direction.E).isFlagged()){
             visitTile(tileAt(tiles[row][col], Direction.E));visits all the tiles on a board, around a base tile, now the problem is that sometimes, when if checks aorund a tile that is near the edge of a board i get an out of bounds exeption, i know why this happens, but i dont know what type of if statments i should use to correct it, i was thinking.. do if(row-1)>0) then it does not go out of the board, but then how would i do it for the edge of the board that does not relate to zero? any ideas.
thanks

if(row > 0 && tiles[row][col].isBlank() )
            if(!tiles[row-1][col].isVisited()){
                clearAroundTile(row-1, col);
                visitTile(tileAt(tiles[row][col], Direction.N));
        if(row -1 > 0 && col + 1 < cols && tiles[row][col].isBlank() )
            if(!tiles[row-1][col+1].isVisited()){
                clearAroundTile(row-1, col+1);
                visitTile(tileAt(tiles[row][col], Direction.NE));
            }i am using this to automatically clear the tiles that are blank, that is only for 2 directions, i did it for all, and for some reason i keep getting a stack overflow, damn

Similar Messages

Array out of bounds exception when outputting array to file

Could someone please tell me why i'm getting this array out of bounds exception?
public class Assignment1 {
public static void main(String[] names)throws IOException {
BufferedReader keyboard = null;
String userChoice;
String inputFile = null;
String studentData;
String searchFile = null;
String searchName;
String stringIn;
PrintWriter outputFile;
FileWriter fWriter = null;
BufferedReader fReader = null;
int first;
int last;
int mid;
int midValue;
int i;
int number;
// creates keyboard as a buffered input stream
keyboard = new BufferedReader(new InputStreamReader(System.in));
//prompts user to choose 1 or 2 to make a corresponding choice
System.out.println("Please Enter: ");
System.out.println("1 to Create a File: ");
System.out.println("2 to Search a File: ");
userChoice = keyboard.readLine(); //user enters 1 or 2
// converts a String into an int value
number = Integer.parseInt(userChoice);
fReader = new BufferedReader(new FileReader("studentData.txt"));
if (number == 1) {
System.out.println("Please Enter the File Name to Create: ");
studentData = keyboard.readLine();
File file = new File("studentData.txt");
fWriter = new FileWriter("studentData.txt");
outputFile = new PrintWriter(fWriter);
names = new String[200];
i=0;
//keep looping till sentinel
while (studentData != "end" && studentData != null &&
i < names.length) {
if (studentData.equals("end")) break; //break and call sort
System.out.println("Enter a name and press Enter. " +
"Type 'end' and press Enter when done: ");
studentData = keyboard.readLine();
//loop for putting the names into the array
for(i=0; i<names.length; i++) ;
outputFile.println(names);
} [b]outputFile.close();

package assignment1;
import java.io.*;
import java.util.*;
public class Assignment1 {
    public static void main(String[] names)throws IOException {
       BufferedReader keyboard = null;
       String userChoice;
       String inputFile = null;
       String studentData;
       String searchFile = null;
       String searchName;
       String stringIn;
       PrintWriter outputFile;
       FileWriter fWriter = null;
       BufferedReader fReader = null;
       int first;
       int last;
       int mid;
       int midValue;
       int i;
       int number;
       // creates keyboard as a buffered input stream
       keyboard = new BufferedReader(new InputStreamReader(System.in));
       //prompts user to choose 1 or 2 to make a corresponding choice
       System.out.println("Please Enter: ");
       System.out.println("1 to Create a File: ");
       System.out.println("2 to Search a File: ");
       userChoice = keyboard.readLine();    //user enters 1 or 2
       // converts a String into an int value
       number = Integer.parseInt(userChoice);
       fReader = new BufferedReader(new FileReader("studentData.txt"));
       if (number == 1) {
           System.out.println("Please Enter the File Name to Create: ");
           studentData = keyboard.readLine();
           File file = new File("studentData.txt");
           fWriter = new FileWriter("studentData.txt");
           outputFile = new PrintWriter(fWriter);
           names = new String[200];
           i=0;
            //keep looping till sentinel
            while (studentData.equals("end") && studentData != null &&
                   i < names.length) {
               if (studentData.equals("end")) break;   //break and call sort
               System.out.println("Enter a name and press Enter. " +
                                   "Type 'end' and press Enter when done: ");
                studentData = keyboard.readLine();
                //loop for putting the names into the array
                for(i=0; i<names.length; i++) ;
                outputFile.println(names);
} outputFile.close();
//call selectionSort() to order the array
     selectionSort(names);
     // Now output to a file.
fWriter = new FileWriter("studentData.txt");
outputFile = new PrintWriter(fWriter);
} else if (number == 2) {
System.out.println("Please Enter a File Name to search: ");
searchFile = keyboard.readLine();
inputFile = ("studentData.txt");
} if (searchFile == "studentData.txt") {
// Input from a file. See input file streams.
fReader = new BufferedReader(new FileReader("studentData.txt"));
System.out.println("Please enter a Name to search for: ");
searchName = keyboard.readLine();
//enter binary search code
first = 0;
last = 199;
while (first < last)
mid = (first + last)/2; // Compute mid point.
if (searchName.compareTo(names[mid]) < 0) {
last = mid; // repeat search in bottom half.
} else if (searchName.compareTo(names[mid]) > 0) {
first = mid + 1; // Repeat search in top half.
} else {
// Found it.
System.out.println("The Name IS in the file.");
} // did not find it.
System.out.println("The Name IS NOT in the file.");
} else //if userChoice != 1 or 2, re-prompt then start over
System.out.println("Please Enter 1 or 2 or correctly " +
"enter an existing file!!");
// fWriter = new FileWriter("studentdata.txt");
//outputFile = new PrintWriter(fWriter); //output
public static void selectionSort(String[] names) {
//use compareTo!!!!
int smallIndex;
int pass, j = 1, n = names.length;
String temp;
for (pass = 0; pass < n-1; pass++)
//Code for Do/While Loop
do {
//scan the sublist starting at index pass
smallIndex = pass;
//jtraverses sublist names[pass+1] to names[n-1]
for (j = pass+1; j < n; j++)
//if smaller string found, smallIndex=that position
if (names[j].compareTo(names[smallIndex]) < 0)
smallIndex = j;
temp = names[pass]; //swap
names[pass] =names[smallIndex];
names[smallIndex] = temp;
} while (j <= names.length);
//File file = new File("studentData.txt");
This is the output window:
init:
deps-jar:
compile:
run:
Please Enter:
1 to Create a File:
2 to Search a File:
1
Please Enter the File Name to Create:
test
Exception in thread "main" java.lang.NullPointerException
at assignment1.Assignment1.selectionSort(Assignment1.java:134)
at assignment1.Assignment1.main(Assignment1.java:73)
Java Result: 1
BUILD SUCCESSFUL (total time: 9 seconds)

Run TIme Error Message- Array Out of Bounds Exception

Good evening all,
I seem to have a run time error with the below segment of code. I've changed the (args[0]) a variety of ways but still get the same message.
I have a few questions regarding my methodology. First, am I headed down the right path (no spoonfeeding allowed please! I need to grasp and learn this myself). Second, would it be something causing error that is on another line and I'm not seeing it. Third, should I have added the entire class file?
public static void main(String [] args) throws IOException
   Inventory store = new Inventory ( 15); // Sets store inventory
   Scanner inFile = new Scanner(new File(args [0])); // _Line 27 in the program_
   PrintWriter outfile = new PrintWriter(args [1]);
   String temp; .
   double price;
   int quantity; .
   inFile.next();
   int x = 0; Run time error received:
java.lang.ArrayIndexOutOfBoundsException: 0
     at StoreBusiness.main(StoreBusiness.java:27)
Thank you in advance everyone.

WarriorGeek wrote:
Thanks Flounder,
I feel pretty dumb after posting my answer.
I read the arrays tutorial and understand all that's described there but with what I've learned you have to start your array out at zero like I did. Should I use the variable name that I gave it in lieu of zero?No. The point is that since you didn't provide any arguments when you started your program, there is no arr[0] or arr[anything else]. It doesn't matter if you put an int literal between the brackets or a variable or a method that returns int. You can't access elements that don't exist.
So instead of java MyClass you need to do java MyClass something The "something" becomes args[0]. If you're using an IDE instead of the command line, there will be a place to configure what arguments you want to pass when you run your program.

Array Out of Bounds Exception. Where?

Hello,
I am developing an application using Visual Cafe 3.0. The application access a file every minute to read a new line and show data in a MultiList. First the code reads the header of the file to get all options, and then reads a new line avery minute to get results for that options.
It is something like this:
Option1, option2, option3,...
1234, 45, 0, ...
532, 23, 2, ...
and so on...
Code is quite large, and I call a method which is generating the exception (java.lang.ArrayOutofBoundsException). Exception is reached after a random number of calls to that method each time.
I have some variables declared in the method and some other declared outside of that method because I use them in other part of the code.
I catch the exception in the method which calls this method (outside following code)
Here is the method that is failing.
Please can anyone see where is the code reaching that exception?
//These are variables used outside the method
String[] lista_op = new String[100];
boolean[] lista_bo = new boolean[100];
String[] lista_va = new String[100];
int n_opciones = 0;
int lon = 0;
char[] resultados;
//And this is the method
//Basically I pass a line of text to the method and the length (actually I am not using that variable and some others)
//Length of all arrays is 100, but number of used items is about 50
     public void results(char[] resultados, int lon)
         int opciones = 0;
         int i = 0;
         int j = 0;
         int n = 0;
         int c = 0;
         int b = 0;
         int z = 0;
         int datoentero = 0;
         int datoanterior = 0;
         char coma = ',';
         String dato = "";
         String vacio = "";
         String datoantes = "";
         String cadena1 = "";
         String cadena2 = "";
         //int[] pos = new int[100];
          multilista.adjustHeadings();
              //Bucle de busqueda de opciones seleccionadas y
              //extraccion de datos
              while (c < n_opciones){
                  if (lista_bo[c] == false){
                      lista_va[b] = lista_op[c];
                      //pos[b] = c;
                      n = c + 3;
                      // Bucle de busqueda de resultados
                      for ( j = 0; i < n; j++){
                          if (resultados[j] == coma){
                              i++;
                      i = 0;
                      while (resultados[j] != coma){
                          dato = dato + resultados[j];
                          j++;
                      // Fin de bucle de busqueda de resultados
                      cadena1 = lista_va;
          datoentero = Integer.parseInt(dato);
          //textArea1.append(" " + datoentero);
          while (z < Lista_seleccion.getItemCount()){
          cadena2 = Lista_seleccion.getItem(z);
          if (cadena1.equals(cadena2)){
          datoantes = multilista.getCellText(z, 1);
          if (!datoantes.equals(vacio)){
          //textArea1.append("&" + datoantes + "&");
          datoanterior = Integer.parseInt(datoantes);
          datoentero = datoentero + datoanterior;
          multilista.addTextCell(z, 1, Integer.toString(datoentero));
          //grafica(datoentero, z);
          //notificar(datoentero, z);
          z++;
          z = 0;
               //textArea1.append(" " + dato + " " + c + " " + n);
          b++;
          c++;
          dato = "";
          //Fin de bucle de busqueda de opciones seleccionadas
               opciones = Lista_seleccion.getItemCount();
               while (i < opciones){
               multilista.addTextCell(i, 0, Lista_seleccion.getItem(i));
               i++;

The piece of code I showed before works for me when I do
System.out.println(sw.toString());
I haven't tried to append it to a text area, but if you say it gives you problem you could try with this:
// .. keeping the first 3 lines of my previos code
StringTokenizer st = new StringTokenizer(sw.toString());
while (st.hasMoreTokens()) {
textArea.append(st.nextToken());
textArea.append("\n"); // newline
}

J2EE Deployment - Array Out of Bounds exception

Hi,
I have a problem with JDev 10.1.2 (1811). When I try and deploy a standard J2EE application (built using Struts / EJB, nothing particularly fancy) I get the error message:
Target platform is Standard J2EE.
java.lang.ArrayIndexOutOfBoundsException: 20086
at oracle.ide.net.JarIndex.buildIndex(JarIndex.java:410)
at oracle.ide.net.JarUtil.getJarIndex(JarUtil.java:197)
(etc)The funny thing is, it was working right up until this morning. It's been in development for a couple of months now and it's been working fine. The only thing I did this morning is add in some input validation (i.e., add in one more class). It all compiles fine. One thing that did happen is, is deploy the WAR file by mistake, and then immediately try and deploy the EAR file from the same deployment profile. If the WAR file was still deploying, I don't know whether that would have messed anything up!
Deployment works on another project though (in another workspace).
anyone have any ideas?
Thanks!
Phill

Ok, I feel rather stupid. I had two projects, 'Model' and 'ViewController'. I'd cleaned out the 'deploy' directory on the View Controller, but had forgotten to clean out the deploy directory on the 'Model' project. Clearing it out worked!
Strange error message though.
Thanks!

Array out of bound - weird

Hi,
I have spent quite sometime testing this but the result I am getting is not right and weird.
I have an array of classes of size 5
Table myTable = new Table[5];
I then use a for loop to initialize myTable class as:
for(int i=1; i<=myTable.length; i++)
myTable[i] = new myTable(i);
Is there anything wrong with that? For some reason I am getting array out of bound exception complaining that 5 is out of bound which is not.
Can anybody tell me what is wrong with this?
This is very simple and I am not even sure why I am getting this out of bound exception.
Thanks.

Abu_Muhammad wrote:
Can you try to run this?
int [] intarray = new int[6];
for(int i=1; i<6; i++)
     System.out.println("value of i is " + i);
     intarray[i] = i;
     System.out.println("value of array is " + intarray);
This doesnt give an exception nor does the index start from 0. Then why doesnt the other loop work or why this works?
i < 6 means the loop will continue executing as long as i is less than 6. Once i reaches 5, the loop will break. If you used intarray.length there wouldn't be an ArrayIndexOutOfBounds exception, but nothing would happen to index 0, as you've missed it.
Edited by: xcd on Mar 23, 2010 3:11 PM

Deck Class, array out of bounds

I keep getting an "array out of bounds" exception when I run the program. I tried to make the array 666666 instead of just 52 and i still get that error. HELP!! ,
IM ONLY HAVING PROBLEMS WITH THE SHUFFLE METHOD
By the way, this time i REALLY cleaned up the class and It compliles correctly so it would help if you guys that posted last time would take a look at it again.
(and I know that the name of the class shoudl be card or something but MY teacher wanted it to be deck)
Any help greatly appreciated and if you see any other errors in logic or code please tell me!
this is the testing class im using
public class DeckTester{
     public static void main ( String[] args ){
          Deck[] decko = Deck.makeDeck();
          Deck.printDeck( decko );
          System.out.println(" ");
          Deck.printFirstFive(decko);
          Deck[] newDeck = new Deck[66666]; // tried to make this big because i keep getting array out of bounds error
          newDeck = Deck.shuffleDeck( decko );
          Deck.printDeck ( newDeck );
}and this is the deck class
import java.lang.Math;
class Deck
     int suit, rank;
/////////////////////////////////////////// CONSTRUCTORS
public Deck () {
    this.suit = 0; this.rank = 0;
public Deck (int suit, int rank) {
    this.suit = suit; this.rank = rank;
/////////////////////////////////////////// PRINT CARD
public static void printCard( Deck c ){
     String[] suits = { "Clubs", "Diamonds", "Hearts", "Spades" };
     String[] ranks = { "narf", "Ace", "2", "3", "4", "5", "6", "7", "8", "9", "10", "Jack", "Queen", "King" };
     System.out.println (ranks[c.rank] + " of " + suits[c.suit]);
}//end method
////////////////////////////////////////// CREAT NEW DECK
public static Deck[] makeDeck(){
     int index = 0;
    Deck[] deck = new Deck [52];
    for (int suit = 0; suit <= 3; suit++) {
           for (int rank = 1; rank <= 13; rank++) {
                 deck[index] = new Deck (suit, rank);
             index++;
return deck;
}//end method
/////////////////////////////////////////// PRINT DECK
public static void printDeck (Deck[] deck) {
    for (int i=0; i<deck.length; i++) {
      printCard (deck);
/////////////////////////////////////////// PRINT FIRST 5
public static void printFirstFive (Deck[] deck){
     int x = -1;
     while (x != 4 ){
          x += 1;
          printCard(deck[x]);
/////////////////////////////////////////// SHUFFLE
// this is supposed to simulate real riffle shuffling
public static Deck[] shuffleDeck (Deck[] deck){
     //creating and initializing variables
     int cut = (int)(22+ Math.random() * 8); //cut the deck into 2 parts
     int side1 = cut; //how many cards in first side
     int side2 = 52 - cut; //how many in second
     int numberCards = 0, neg_to_pos = -1, k = 0; //how many cards go down from each side
     int x = -1, y = side1, z = 0, d = 0; //begining point of first and second halves
     Deck[] shuffledDeck = new Deck [66666]; //the shuffled deck goes into this one
/* ^^^^^^^^^^^^^^^ INITIALIZING VARIABLES ^^^^^^^^^^^^^^^^^^ */
     while ( k < 100 ){
          k += 1; // i used 100 for now because you can
          neg_to_pos *= (-1); //switches which hand half of the deck you take cards form
          numberCards = numberCard();
     if ( neg_to_pos == 1) { // this is the first half
          if ( x < (side1 + 1) ){ // checks to see if first half is empty
               //for( x = x; x <= numberCards /*go untill variable*/; ++x ) {
                    z = (-1); // checks if you put down all the "numberCards"
                    while ( x <= numberCards ) {
                         z += 1;
                         x += 1; // x is which spot in the deck the cards go
                         shuffledDeck[x] = deck[x];
                    }//end for
               }//end if
     }//end if
     if ( neg_to_pos == (-1) ) { // this is the second half
          if ( x <= 52 ){
               //for( y = y; y < numberCards; y++ ) {
               d = (-1);
               while ( d <= numberCards ) {
                    d += 1;
                    y += 1;
                    shuffledDeck[y] = deck[y];
               }//end for
          }//end if
     }//end if (else)
}// end while
return shuffledDeck;
}//end shuffle method
/////////////////////////////////////////// NUMBER CARDS
     private static int numberCard() {
          /*numberCards is how many cards you take put down
          from each hand. In shuffling it is not always the
          same number, so this picks waht that number is */
          int percent = (int)(Math.random() * 99);
          int numberCards = 0;
          if (percent < 20) {
               numberCards = 1;}
          else if( percent >= 20 && percent <= 49 ){
               numberCards = 2;}
     else if( percent >= 50 && percent <=69 ){
          numberCards = 3;}
     else if( percent >= 70 && percent <=79 ){
          numberCards = 4;}
     else if( percent >= 80 && percent <=84 ){
          numberCards = 5;}
     else if( percent >= 85 && percent <=89 ){
          numberCards = 6;}
     else if( percent >= 90 && percent <=92 ){
          numberCards = 7;}
     else if( percent >= 93 && percent <=95 ){
          numberCards = 8;}
     else if( percent >= 96 && percent <=97 ){
          numberCards = 9;}
     else{ numberCards = 10; }
     return numberCards;
     }//end numberCards METHOD
/////////////////////////////////////////// END CLASS
}//end class
/////////////////////////////////////////// END

Wooo, you;ve made this far to complicated. Lets start with a class called Card, let just imagine this exists, we won;t go into any more detail. Now lets look at a class called Deck, which has a collection of cards.
class Deck {
private java.util.Vector cards = new java.util.Vector();
Deck() {
      for (int i = 0; i < 52, i++) {
       cards.add(new Card(i));
} //this method adds 52 cards to the vector
public Card getCardAt(i) {
     return (Card) cards.removeElementAt(i); //can't remember exact method
public Card getRandomCard() {
     int index = Random.nextInt() * 52;
      return getCardAt(index);
public int getSize() {
     return cards.size();
}Okay, this method has 52 cards and you can either get one at the specificed index or get a random card. Because the cards are removed when they are returned you will never get the same card twice. There is no point in shuffling them if you just return a random card ;)
Okay, now all you need when using the deck class is to create a new instance for each new game:
void deal(Player[] players) {
Deck d = new Deck();
   while (d.getSize() > players.length) {
       for (int i = 0; i < players.length; i++) {
                 players.dealCard(d.getRandomCard()());
Always remember the KISS process:
Keep It Simple, Stupid :)

Java Index Out Of Bounds Exception error

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     at com.sap.engine.services.httpserver.server.Processor.request(Processor.java:160)
     at com.sap.engine.core.service630.context.cluster.session.ApplicationSessionMessageListener.process(ApplicationSessionMessageListener.java:33)
     at com.sap.engine.core.cluster.impl6.session.MessageRunner.run(MessageRunner.java:41)
     at com.sap.engine.core.thread.impl3.ActionObject.run(ActionObject.java:37)
     at java.security.AccessController.doPrivileged(Native Method)
     at com.sap.engine.core.thread.impl3.SingleThread.execute(SingleThread.java:100)
     at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:170)
Caused by: com.sap.ip.bi.base.exception.BIBaseRuntimeException: Error while generating HTML
     at com.sap.ip.bi.webapplications.ui.items.UiItem.render(UiItem.java:380)
     at com.sap.ip.bi.webapplications.runtime.rendering.impl.ContainerNode.render(ContainerNode.java:62)
     at com.sap.ip.bi.webapplications.runtime.rendering.impl.PageAssemblerRenderingRoot.processRendering(PageAssemblerRenderingRoot.java:50)
     at com.sap.ip.bi.webapplications.runtime.impl.Page.processRenderingRootNode(Page.java:3188)
     at com.sap.ip.bi.webapplications.runtime.impl.Page.processRendering(Page.java:2923)
     at com.sap.ip.bi.webapplications.runtime.impl.Page.doProcessRequest(Page.java:2877)
     at com.sap.ip.bi.webapplications.runtime.impl.Page.processRequest(Page.java:2293)
     ... 39 more
Caused by: java.lang.IndexOutOfBoundsException: fromIndex = -7
     at java.util.SubList.<init>(AbstractList.java:702)
     at java.util.RandomAccessSubList.<init>(AbstractList.java:860)
     at java.util.AbstractList.subList(AbstractList.java:569)
     at com.sap.ip.bi.bics.dataaccess.base.impl.ModifiableList.remove(ModifiableList.java:630)
     at com.sap.ip.bi.bics.dataaccess.consumer.impl.queryview.resultset.RsDataCells.removeRows(RsDataCells.java:480)
     at com.sap.ip.bi.bics.dataaccess.consumer.impl.queryview.resultset.RsAxis.removeTuples(RsAxis.java:550)
     at com.sap.ip.bi.bics.dataaccess.consumer.impl.queryview.resultset.RsAxis.applyResultVisibility(RsAxis.java:1312)
     at com.sap.ip.bi.bics.dataaccess.consumer.impl.queryview.resultset.RsAxis.applyResultVisibility(RsAxis.java:1326)
     at com.sap.ip.bi.bics.dataaccess.consumer.impl.queryview.resultset.RsAxis.applyResultVisibility(RsAxis.java:1326)
     at com.sap.ip.bi.bics.dataaccess.consumer.impl.queryview.resultset.RsAxis.applyResultVisibility(RsAxis.java:1326)
     at com.sap.ip.bi.bics.dataaccess.consumer.impl.queryview.resultset.RsAxis.applyResultVisibility(RsAxis.java:1272)
     at com.sap.ip.bi.bics.dataaccess.consumer.impl.queryview.resultset.RsAxis.applyResultVisibility(RsAxis.java:1170)
     at com.sap.ip.bi.bics.dataaccess.consumer.impl.queryview.resultset.ResultSet.applyPostProcessing(ResultSet.java:282)
     at com.sap.ip.bi.bics.dataaccess.consumer.impl.queryview.resultset.ResultSet.refreshData(ResultSet.java:262)
     at com.sap.ip.bi.bics.dataaccess.consumer.impl.queryview.QueryView.getResultSet(QueryView.java:267)
     at com.sap.ip.bi.webapplications.ui.items.analysis.control.AcPivotTableInteractive.checkResultSetState(AcPivotTableInteractive.java:368)
     at com.sap.ip.bi.webapplications.ui.items.analysis.control.AcPivotTableExport.validateDataset(AcPivotTableExport.java:249)
     at com.sap.ip.bi.webapplications.ui.items.analysis.control.AcPivotTableInteractive.buildUrTree(AcPivotTableInteractive.java:282)
     at com.sap.ip.bi.webapplications.ui.framework.base.impl.CompositeBuildUrTreeTrigger.process(CompositeBuildUrTreeTrigger.java:33)
     at com.sap.ip.bi.webapplications.ui.framework.base.composites.UiRootContainer.iterateOverChildren(UiRootContainer.java:40)
     at com.sap.ip.bi.webapplications.ui.framework.base.impl.CompositeBuildUrTreeTrigger.process(CompositeBuildUrTreeTrigger.java:36)
     at com.sap.ip.bi.webapplications.ui.advancedcontrols.bridge.AcItemBridge.iterateOverChildren(AcItemBridge.java:63)
     at com.sap.ip.bi.webapplications.ui.framework.base.impl.CompositeBuildUrTreeTrigger.process(CompositeBuildUrTreeTrigger.java:36)
     at com.sap.ip.bi.webapplications.ui.unifiedrendering.controls.FlowLayoutItem.iterateOverChildren(FlowLayoutItem.java:63)
     at com.sap.ip.bi.webapplications.ui.framework.base.impl.CompositeBuildUrTreeTrigger.process(CompositeBuildUrTreeTrigger.java:36)
     at com.sap.ip.bi.webapplications.ui.unifiedrendering.controls.FlowLayout.iterateOverChildren(FlowLayout.java:69)
     at com.sap.ip.bi.webapplications.ui.framework.base.impl.CompositeBuildUrTreeTrigger.process(CompositeBuildUrTreeTrigger.java:36)
     at com.sap.ip.bi.webapplications.ui.framework.base.composites.UiRootContainer.iterateOverChildren(UiRootContainer.java:40)
     at com.sap.ip.bi.webapplications.ui.framework.base.impl.CompositeBuildUrTreeTrigger.process(CompositeBuildUrTreeTrigger.java:36)
     at com.sap.ip.bi.webapplications.ui.advancedcontrols.bridge.AcItemBridge.iterateOverChildren(AcItemBridge.java:63)
     at com.sap.ip.bi.webapplications.ui.framework.base.impl.CompositeBuildUrTreeTrigger.process(CompositeBuildUrTreeTrigger.java:36)
     at com.sap.ip.bi.webapplications.ui.unifiedrendering.controls.MatrixLayoutCell.iterateOverChildren(MatrixLayoutCell.java:63)
     at com.sap.ip.bi.webapplications.ui.framework.base.impl.CompositeBuildUrTreeTrigger.process(CompositeBuildUrTreeTrigger.java:36)
     at com.sap.ip.bi.webapplications.ui.unifiedrendering.controls.MatrixLayoutRow.iterateOverChildren(MatrixLayoutRow.java:56)
     at com.sap.ip.bi.webapplications.ui.framework.base.impl.CompositeBuildUrTreeTrigger.process(CompositeBuildUrTreeTrigger.java:36)
     at com.sap.ip.bi.webapplications.ui.unifiedrendering.controls.MatrixLayout.iterateOverChildren(MatrixLayout.java:69)
     at com.sap.ip.bi.webapplications.ui.framework.base.impl.CompositeBuildUrTreeTrigger.process(CompositeBuildUrTreeTrigger.java:36)
     at com.sap.ip.bi.webapplications.ui.container.matrixlayout.control.AcMatrixControlGrid.iterateOverChildren(AcMatrixControlGrid.java:40)
     at com.sap.ip.bi.webapplications.ui.framework.base.impl.CompositeBuildUrTreeTrigger.process(CompositeBuildUrTreeTrigger.java:36)
     at com.sap.ip.bi.webapplications.ui.framework.base.composites.UiRootContainer.iterateOverChildren(UiRootContainer.java:40)
     at com.sap.ip.bi.webapplications.ui.framework.base.impl.CompositeBuildUrTreeTrigger.process(CompositeBuildUrTreeTrigger.java:36)
     at com.sap.ip.bi.webapplications.ui.advancedcontrols.bridge.AcItemBridge.iterateOverChildren(AcItemBridge.java:63)
     at com.sap.ip.bi.webapplications.ui.framework.base.impl.CompositeBuildUrTreeTrigger.process(CompositeBuildUrTreeTrigger.java:36)
     at com.sap.ip.bi.webapplications.ui.unifiedrendering.controls.Group.iterateOverChildren(Group.java:63)
     at com.sap.ip.bi.webapplications.ui.framework.base.impl.CompositeBuildUrTreeTrigger.process(CompositeBuildUrTreeTrigger.java:36)
     at com.sap.ip.bi.webapplications.ui.container.group.control.AcGroupControl.iterateOverChildren(AcGroupControl.java:259)
     at com.sap.ip.bi.webapplications.ui.framework.base.impl.CompositeBuildUrTreeTrigger.process(CompositeBuildUrTreeTrigger.java:36)
     at com.sap.ip.bi.webapplications.ui.framework.base.composites.UiRootContainer.iterateOverChildren(UiRootContainer.java:40)
     at com.sap.ip.bi.webapplications.ui.framework.base.impl.CompositeBuildUrTreeTrigger.process(CompositeBuildUrTreeTrigger.java:36)
     at com.sap.ip.bi.webapplications.ui.advancedcontrols.bridge.AcItemBridge.iterateOverChildren(AcItemBridge.java:63)
     at com.sap.ip.bi.webapplications.ui.framework.base.impl.CompositeBuildUrTreeTrigger.process(CompositeBuildUrTreeTrigger.java:36)
     at com.sap.ip.bi.webapplications.ui.unifiedrendering.controls.FlowLayoutItem.iterateOverChildren(FlowLayoutItem.java:63)
     at com.sap.ip.bi.webapplications.ui.framework.base.impl.CompositeBuildUrTreeTrigger.process(CompositeBuildUrTreeTrigger.java:36)
     at com.sap.ip.bi.webapplications.ui.unifiedrendering.controls.FlowLayout.iterateOverChildren(FlowLayout.java:69)
     at com.sap.ip.bi.webapplications.ui.framework.base.impl.CompositeBuildUrTreeTrigger.process(CompositeBuildUrTreeTrigger.java:36)
     at com.sap.ip.bi.webapplications.ui.framework.base.composites.UiRootContainer.iterateOverChildren(UiRootContainer.java:40)
     at com.sap.ip.bi.webapplications.ui.framework.base.impl.CompositeBuildUrTreeTrigger.process(CompositeBuildUrTreeTrigger.java:36)
     at com.sap.ip.bi.webapplications.ui.advancedcontrols.bridge.AcItemBridge.iterateOverChildren(AcItemBridge.java:63)
     at com.sap.ip.bi.webapplications.ui.framework.base.impl.CompositeBuildUrTreeTrigger.process(CompositeBuildUrTreeTrigger.java:36)
     at com.sap.ip.bi.webapplications.ui.unifiedrendering.controls.Group.iterateOverChildren(Group.java:63)
     at com.sap.ip.bi.webapplications.ui.framework.base.impl.CompositeBuildUrTreeTrigger.process(CompositeBuildUrTreeTrigger.java:36)
     at com.sap.ip.bi.webapplications.ui.container.group.control.AcGroupControl.iterateOverChildren(AcGroupControl.java:259)
     at com.sap.ip.bi.webapplications.ui.framework.base.impl.CompositeBuildUrTreeTrigger.process(CompositeBuildUrTreeTrigger.java:36)
     at com.sap.ip.bi.webapplications.ui.framework.base.composites.UiRootContainer.iterateOverChildren(UiRootContainer.java:40)
     at com.sap.ip.bi.webapplications.ui.framework.base.impl.CompositeBuildUrTreeTrigger.process(CompositeBuildUrTreeTrigger.java:36)
     at com.sap.ip.bi.webapplications.ui.framework.base.impl.CompositeBuildUrTreeTrigger.start(CompositeBuildUrTreeTrigger.java:59)
     at com.sap.ip.bi.webapplications.ui.framework.base.impl.ExtendedRenderManager.triggerComposites(ExtendedRenderManager.java:69)
     at com.sap.ip.bi.webapplications.ui.framework.base.impl.BICompositeManager.renderRoot(BICompositeManager.java:79)
     at com.sap.ip.bi.webapplications.ui.items.UiItem.render(UiItem.java:376)
Any help in solving this error is highly appreciated. Points will be given
Best Regards,
Vidyut K Samanta

Hi.
Go to line 9 of your code.
You are trying to use an array there.
Suppose you have an array x[4] - this array has 4 elements indexed 0..3.
you are trying to access an element with an index higher than 3.
Nimo.

Array Out of Bounds, How?

Ok so my problem is driving me crazy, I have an array, everytime I click the button it adds another set of objects to the new cells in an array. For Example
int x = 0;
Array[x] = some stuff;
btnClicked;
x += 1;
Array[x] = some new stuff;My problem is that it gives me an index out of bounds exception, how I can't understand,my indexes never go below 0, and never go above the size of the array, any help appreciated.

I'll try my best, it is a rather large file, I post the main stuff
//Global
String[] EmuQuestion = new String[100];
int x = 0;
// Within the method I start the array
String question = bw.readLine();
String[] qsplit = question.split("\\. ");
EmuQuestion[x] = qsplit[1];
// Method called from a button click, exception occurs
x += 1;
String question = bw.readLine();
String[] qsplit = question.split("\\. ");
EmuQuestion[x] = qsplit[1];

Java Array Out Of Bounds Problem

In order to conduct an experiment in java array sorting algorithm efficiency, i am attempting to create and populate an empty array of 1000 elements with random, unique integers for sorting. I've been able to generate and populate an array with random integers but the problem is - for whatever size array I create, it only allows the range of numbers to populate it to be the size of the array, for instance, an array of size 3000 allows only the integer range of 0-3000 to populate it with or I get an out of bounds exception during runtime. How can you specify an integer range of say 0-5000 for an array of size < 5000? Any help is appreciated.

Another approach is to fill the array with an
arithmetic sequence, maybe plus some random noise:
    array[i] = i * k + rand(k);or some such, so they are unique,
and then permute the array (put the elements
s in random order)
    for (i : array.length) {
transpose(array, array[rand(i..length)]); }
Along those lines, java.util.Collections.shuffle can be used to randomly shuffle a List (such as an ArrayList). Create an ArrayList with numbers in whatever range is needed. Then call java.util.Collections.shuffle(myArrayList). [It is static in Collections--you don't need to [and can't] create a Collections object.]

Array out of bounds issue,

Hi guys, I�m having trouble trying to fix a problem with the array index Out of bounds exception
I understand that I need to create some kind of if statement. I would ordinarily be able to do this if I only had one array, but I have two, and I am not sure where or how to insert my if statements to say, that if Index2 reaches 15 say �Full� and if Index 1 reaches 10 say �Full�,
Can anyone provide any guidance on this, any help will be much appreciated
Bellow is my code if it makes things clearer for anyone
Kyle
import java.util.Scanner;
* Write a description of class SquareCube here.
* @author (your name)
* @version (a version number or a date)
import java.util.Scanner;
public class BookingTickets {
public static void main (String [] args)
    Scanner myScanner = new Scanner(System.in);
    int Count;
    double Price = 0.00;
    String SeatArea;
    int[] SeatNumberEconomy;
    int[] SeatNumberGallery;
    int Index1 = 0;
    int Index2 = 10;
    String YesNo;
    SeatNumberEconomy = new int[10];
    for(int i=0;i<10; ++i)
        SeatNumberEconomy[i] = i+1;
    SeatNumberGallery= new int[15];
    for(int a=10;a<15; ++a)
        SeatNumberGallery[a] = a+1;
    for(Count = 1; Count <=15; Count++)
        System.out.println ("Please select where you would prefer to sit");
        System.out.println ("Input (E) for Economy and (G) for Gallery;- ");
        SeatArea = myScanner.next();
        if (SeatArea.equalsIgnoreCase("E"))
            SeatArea = ("Economy");
            Price = 10.00;
            System.out.println (" ");
            System.out.println ("You have Selected...");
            System.out.println (SeatArea + " Priced at �" + Price + " per ticket");
            System.out.println ("Your Seat Number is: " + SeatNumberEconomy[Index1]);
            ++Index1;
            System.out.println (" ");
        if (SeatArea.equalsIgnoreCase("G"))
            SeatArea = ("Gallery");
            Price = 20.00;
            System.out.println (" ");
            System.out.println ("You have Selected...");
            System.out.println (SeatArea + " Priced at �" + Price + " per ticket");
            System.out.println ("Your Seat Number is: " + SeatNumberGallery[Index2]);
            ++Index2;
            System.out.println (" ");
    System.out.println (" ");
    System.out.println("all seats have been booked");
    System.out.println("be sure to try again tomorrw");
}

import java.util.Scanner;
* Write a description of class SquareCube here.
* @author (your name)
* @version (a version number or a date)
public class BookingTickets {
public static void main (String [] args)
    Scanner myScanner = new Scanner(System.in);
//    int Count;
    double Price = 0.00;
    String SeatArea;
    int[] SeatNumberEconomy;
    int[] SeatNumberGallery;
    int Index1 = 0;
    int Index2 = 0;
//    String YesNo;
    SeatNumberEconomy = new int[10];
    SeatNumberGallery = new int[15];
    for(int i=0;i<10; ++i)
       SeatNumberEconomy[i] = i+1;
    for(int a=0;a<15; ++a)
        SeatNumberGallery[a] = a+1;
         while (Index1 != 10 && Index2 != 15)
        System.out.println ("Please select where you would prefer to sit");
        System.out.println ("Input (E) for Economy and (G) for Gallery;- ");
        SeatArea = myScanner.next();
        if (SeatArea.equalsIgnoreCase("E"))
            SeatArea = ("Economy");
            Price = 10.00;
            System.out.println (" ");
            System.out.println ("You have Selected...");
            System.out.println (SeatArea + " Priced at �" + Price + " per ticket");
            System.out.println ("Your Seat Number is: " + SeatNumberEconomy[Index1]);
            ++Index1;
            System.out.println (" ");
        if (SeatArea.equalsIgnoreCase("G"))
            SeatArea = ("Gallery");
            Price = 20.00;
            System.out.println (" ");
            System.out.println ("You have Selected...");
            System.out.println (SeatArea + " Priced at �" + Price + " per ticket");
            System.out.println ("Your Seat Number is: " + SeatNumberGallery[Index2]);
            ++Index2;
            System.out.println (" ");
    System.out.println (" ");
    System.out.println("all seats have been booked");
    System.out.println("be sure to try again tomorrw");

Out of bounds exception although increasing heap space

Hello,
In my java application, there is a gif file with the size 6000 X 3500 . This file is 536 KB and i use this file with scroll bar.
My question is that although I increased heap space to 512, it still keep going to give "out of bounds" exception when i try to set new dimention to the frame bigger than (800, 1000).
How can I use my gif file with bigger frame?

There is no such exception.
Are you talking about ArrayIndexOutOfBoundsException?
OutOfMemoryError?
Something else?

Please iam getting index out of bound exception can any body solve my probl

Dear all
iam doing aproject in swing in that one class iam using the below method. Iam getting index out of bound exception. Actually iam trying to access the more that 50mb file at that time its giving out of memory exception after that iam using this method now its giving index out of bound exception, when it is going second time in the while loop. can any body solve my problem. Please give me the solution . Ill be very thankful to you.
public Vector getFileContent(File fileObj){
FileInputStream fis = null;
DataInputStream dis = null;
Vector v = new Vector();
byte[] data = null;
int pos = 0;
int chunk = 10000;
int sizePos = 0;
try{
fis = new FileInputStream(fileObj);
int size = (int)fileObj.length();
dis = new DataInputStream(fis);
int k = 1;
if(size <10000){
data = new byte[size];
//v.addElement(dis.readFully(data));
dis.readFully(data);
v.addElement(data);
else {
while(pos < size){
sizePos = size - chunk*k;
if(sizePos > 10000){
chunk = 10000;
else{
chunk = sizePos;
data = new byte[chunk];
dis.read(data, pos, chunk);
v.addElement(data);
System.gc();
pos = pos + chunk + 1;
regards,
surya

pos = pos + chunk + 1;Why the +1??

How to prevent arrayindex out of bounds exception while unziping the files

hi all ,
i am new to java.Can any body help me to solve my problem.here is my problem.
here i am trying to unzip a ziped file. but i am getting arrayindex out of bounds exception at line no 12 (args[0]), my quesion is to how to prevent arrayindex out of bounds exception ? please give me clear explanation.
public class UnZip2 {
static final int BUFFER = 2048;
public static void main (String args[]) {
try {
BufferedOutputStream dest = null;
BufferedInputStream is = null;
ZipEntry entry;
ZipFile zipfile = new ZipFile(args[0]);
Enumeration e = zipfile.entries();
while(e.hasMoreElements()) {
entry = (ZipEntry) e.nextElement();
System.out.println("Extracting: " +entry);
is = new BufferedInputStream
(zipfile.getInputStream(entry));
int count;
byte data[] = new byte[BUFFER];
FileOutputStream fos = new
FileOutputStream(entry.getName());
dest = new
BufferedOutputStream(fos, BUFFER);
while ((count = is.read(data, 0, BUFFER))
!= -1) {
dest.write(data, 0, count);
dest.flush();
dest.close();
is.close();
} catch(Exception e) {
e.printStackTrace();
}

how you run it?
java Unzip2?
args[0] refer to first parameter in run command, so u should run it by giving a parameter. eg:
java Unzip2 someFile.zip

Array Index out of bound exception

public Name[] getName() {
          Name[] retVal = new Name[0];
          retVal[0] = this.getNameInstance();
          return retVal;
     public void setName(Name[] theName) {
          theName[0]=this.getNameInstance();
     private Name myNameInstance = new Name();
     public void setNameInstance(Name theNameInstance) {
          if(isValidName(theNameInstance)){
          myNameInstance = theNameInstance;
     public Name getNameInstance() {
          return myNameInstance;
     }I am getting an array Index out of bound eception in the method setName, Can any one tell me where I am doing wrong?

The array passed in must be empty. I suggest using the debugger for problems like these. If you don't know how to use the debugger, here's a start:
(Assuming you have a debugger, any IDE you'd be using will)
1. Set a breakpoint on or before your line of question. In this case, place it on the line of code in your setName() method. Set a breakpoint by either right clicking on that line and selecting "Add breakpoint," or simply click on the far left side of the editor window, right next to the line number. Either way, a little dot will appear to mark the breakpoint.
2. Execute your code in Debug mode rather than release mode. This might mean clicking on the little bug-looking icon "Debug" rather than "Run."
3. Your code will execute and you'll enter the debug perspective when that breakpoint is reached. There, in the variables window, you'll see your array and any information about it, particularly its size and contents.

Array out of bounds Exception

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