In Java How to remove elements from ArrayList while iterating? The list.remove(s) will throws java.util.ConcurrentModificationException, if you remove an
This could come in handy in scenarios where you want to perform some operations on data within a map. By using the entrySet() method – which returns a list – it is possible to have an iterator over a map. See the following example to understand how this works: import java.util.*; ...
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return the iterator function list:reverseIterator() return reverseIterate, self, nil end -- create a new list with values local l = list({ "Mon" }, { "Tue" }, { "Wed" }, { "Thu" }, { "Fri" }) -- iterate throgh entries for v in l:reverseIterator() do print(v[1]) end...
TheforEach()method was added to theIterableinterface in Java 8. So all the java collection classes have implementations of aforEach()method. In order to use these with anEnum, we first need to convert theEnumto a suitable collection. We can useArrays.asList()to generate anArrayList,which...
import java.util.ArrayList; import java.util.List; /* * Java Program to remove an element while iterating over ArrayList */ public class Main { public static void main(String[] args) throws Exception { List<String> loans = new ArrayList<>(); loans.add("personal loan"); loans.add("...
import java.util.Arrays; // Define a class named Exercise8. public class Exercise8 { // The main method where the program execution starts. public static void main(String[] args) { // Declare and initialize an integer array 'my_array'. int[] my_array = {25, 14, 56, 15, 36, 56...
import java.text.CharacterIterator; import java.text.StringCharacterIterator; public class Main { public static void main(String[] argv) throws Exception { CharacterIterator it = new StringCharacterIterator("abcd"); // Iterate over the characters in the forward direction for (char ch = it.first()...
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I have a custom field which is of multi select and it stores only the key. In order to fetch the value I'm writing a listener event during creation and updating event where the key will be converted from string to list and then iterating the list to get the summary. The summary is ...