java to arraylist code example

Example 1: Create ArrayList from array java

new ArrayList<>(Arrays.asList(array));

Example 2: java list to array

String[] arr = list.toArray(new String[list.size()]);

Example 3: 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);