how to convert list to an array in java code example

Example 1: java list to array

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

Example 2: java convert array to list

Integer[] array = new Integer[] {
  23, 54, 12
};

java.util.List<Integer> list = java.util.Arrays.asList(array);
System.out.println(list);