indexoutofboundsexception

问题 I'm removing a row in my JTable and i have this Exception : IndexOutOfBoundsException: Index: 1, Size: 1". This is my TableModel Classe: public Class MyTableModel extends AbstractTableModel { private static final long serialVersionUID = -912060609250881296L; private ResultSet rs; private int rowCount; private int columnCount; private ArrayList<Object[]> data=new ArrayList<Object[]>(); private ArrayList<TableModelListener> listeners = new ArrayList<TableModelListener>(); public

问题 I recently started playing with Processing. I want to create a simple FFT visualizer that will import music file using Sound library. Here's my code and the console output. Console Output import processing.sound.*; SoundFile file; void setup() { size(); background(51); file = new SoundFile(this, "song.mp3"); file.play(); } void draw () { } Can someone explain why is this happening and how it can be fixed? By the way, sound file (song.mp3) is located in the same folder as the .pde file. 回答1:

问题 I have a simple RecyclerView and I want to remove those items onClick. I was continuously running into a crash depending on when I clicked on certain items in the list with the above error. If you're having similar issues, here's how I solved it: 回答1: public void onBindViewHolder(final CardViewHolder holder, final int position) Using position here is useful for some things, but if I used it when removing items from the list, it was causing a crash, instead using: holder.getAdapterPosition();

问题 I am using BufferedReader to read data from a text file. The variable "reg" is the fourth entry in the string of data that I am trying to access. I am getting the exception: "Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 3" Here is my code: package calctest; import static calctest.CalcTest.reg; import java.io.*; public class CalcTest { static Integer reg, prov; public static void main(String[] args) throws Exception{ String readFile = "M:\\MandNDrives\\mwallace\\JAVA

问题 I've been banging my head on this for a while. I keep getting Index out of Bounds when running this code.. basically, I took a textbox, split it up into an array, then using each index of the array to compare to a array full of strings. Pasted relevant code, can you guys see what I did wrong? I've set put an error near the point of error. ( <----- ) public partial class MainWindow : Window { string[] kbsubject = new string[4000]; string[] kbbody = new string[4000]; string[] wordsplit = new

问题 I have an alertdialog with multiple choices, I store the user's choices on an ArrayList of strings, and I want to pass the stored arraylist to the host activity (I will use the array's elements to query my database).. When i run my app, i get an ArrayIndexOutOfBoundsException (may be the index is -1..), I'm not sure if it's the loop, or if i did not pass the arraylist correctly from the alertdialog... can you guys take a look ? here is my function : public void onOkay(ArrayList<String>

问题 I simulate a web cache replacement algorithm. I have N objects of type Request available for caching and L requests for those objects that arrive to the cache in a serial fashion. Request objects are distinguished by their int field reqID (a numeric ID from 0 up to N-1). I have override equals to be able to compare Request objects. I implement a cache using an array - a simple, plain, static array. The cache is filled with objects of type Request and has a max size M: /** Max cache size */

问题 When I use this code without <p:tab> it works as expected, <h:form> <p:wizard> <p:tab title="Test-1"> <h:form> <p:growl id="msg"/> <p:selectOneMenu value="#{studentController.departmentIDgenerate}"> <f:selectItems value="#{departmentController.departmentList}" var="deparet" itemLabel="#{deparet.departmentName}" itemValue="#{deparet.departmentId}"/> <p:ajax listener="#{studentController.addMessage}" update="msg"/> </p:selectOneMenu> </h:form> </p:tab> <p:tab title="Test-2"> </p:tab> </p:wizard

问题 From the Terraform docs: element(list, index) - Returns a single element from a list at the given index. If the index is greater than the number of elements, this function will wrap using a standard mod algorithm. What would be a good reason to wrap using mod? This behavior seems to me like it could be the cause of lots of headaches. At the top of my head I can only remember two other approaches to handle accessing an element that's out of bounds: Python/Ruby: return None/Nil Java/JS/Ruby:

问题 When I run the following code piece, a IndexOutOfRangeException is thrown. It appears that i is 2 when the exception is thrown. My understanding is that the new thread is started after the value of i has been changed. Is there a way to make this code safe from this kind of problem? int x[2] = {1, 3}; int numberOfThreads = 2; for (int i = 0; i < numberOfThreads; i++) { new Thread(() => { DoWork(x[i]); }).Start(); } 回答1: The problem is that the variable i is being captured, and by the time the