convert arraylist to array in java
Integer[] arr = new Integer[al.size()];
// ArrayList to Array Conversion
for (int i = 0; i < al.size(); i++)
arr[i] = al.get(i);convert arraylist to array in java
Integer[] arr = new Integer[al.size()];
// ArrayList to Array Conversion
for (int i = 0; i < al.size(); i++)
arr[i] = al.get(i);array to arraylist java
ArrayList<Integer> list = new ArrayList<>(OtherList);
//it will copy all elements from OtherList to this one
//time complexity - O(n)Copyright © 2021 Codeinu
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