B4J Question List.RemoveAt(i) generates out of bounds exception

[Nokia]

when trying to remove list item, getting out of bounds exception.
any ideas on how to get index?

loading list:

    Dim su As StringUtils
    EmailList = su.LoadCSV(Main.WrkFld, csvName, csvChar)

trying to remove item from list:

    Dim I As Int = 0
    
    For Each Row() As String In EmailList
        For Each Col As String In Row
            If Col = EmailToRemove Then
                EmailList.RemoveAt(I)
                Exit
            End If
        Next
        I = I + 1
    Next

this is the error that generates:

Error occurred on line: 328 (clsEmail)
java.lang.IndexOutOfBoundsException: Index: 5, Size: 5
at java.util.ArrayList.rangeCheck(ArrayList.java:653)
at java.util.ArrayList.get(ArrayList.java:429)
at anywheresoftware.b4a.objects.collections.List.Get(List.java:105)
at b4j.example.clsemail._removefromemaillist(clsemail.java:847)
at b4j.example.clsemail._ivnode_mouseclicked(clsemail.java:809)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at anywheresoftware.b4a.shell.Shell.runMethod(Shell.java:632)
at anywheresoftware.b4a.shell.Shell.raiseEventImpl(Shell.java:234)
at anywheresoftware.b4a.shell.Shell.raiseEvent(Shell.java:167)
at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at anywheresoftware.b4a.BA.raiseEvent2(BA.java:91)
at anywheresoftware.b4a.shell.ShellBA.raiseEvent2(ShellBA.java:98)
at anywheresoftware.b4a.BA.raiseEvent(BA.java:78)
at anywheresoftware.b4j.objects.NodeWrapper$1.handle(NodeWrapper.java:93)
at anywheresoftware.b4j.objects.NodeWrapper$1.handle(NodeWrapper.java:1)
at com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(CompositeEventHandler.java:86)
at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:238)
at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:191)
at com.sun.javafx.event.CompositeEventDispatcher.dispatchBubblingEvent(CompositeEventDispatcher.java:59)
at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:58)

 

[Erel]

You cannot remove items from the list inside a For Each loop that iterates over the same list.

Dim index As Int
Do While index < EmailList.Size
 Dim row() As String = EmailList.Get(index)
 
  For Each Col As String In Row
            If Col = EmailToRemove Then
                EmailList.RemoveAt(index)
                index = index - 1
                Exit
            End If
      Next

 index = index + 1
Loop

 

[Nokia]

You cannot remove items from the list inside a For Each loop that iterates over the same list.

Dim index As Int
Do While index < EmailList.Size
Dim row() As String = EmailList.Get(index)

  For Each Col As String In Row
            If Col = EmailToRemove Then
                EmailList.RemoveAt(index)
                index = index - 1
                Exit
            End If
      Next

index = index + 1
Loop

Thanks Erel

was not sure how I was going to get the index out of a list setup with columns.. I see now.. instead of looping through all rows with columns,, you are getting each row separately called by the get(index)..