integer arraylist to int array
//only works in java 8 or later
list.stream().mapToInt(i -> i).toArray();
integer arraylist to int array
//only works in java 8 or later
list.stream().mapToInt(i -> i).toArray();
list to int array in java 8
int[] array = list.stream().mapToInt(i->i).toArray();
convert list of integer to array in java
List<Integer> al = new ArrayList<Integer>();
Integer[] arr = new Integer[al.size()];
arr = al.toArray(arr);
convert array of int to arraylist java
int[] ints = {1, 2, 3};
List<Integer> intList = new ArrayList<Integer>(ints.length);
for (int i : ints)
{
intList.add(i);
}
Copyright © 2021 Codeinu
Forgot your account's password or having trouble logging into your Account? Don't worry, we'll help you to get back your account. Enter your email address and we'll send you a recovery link to reset your password. If you are experiencing problems resetting your password contact us