Make copy of an array

Question

I have an array a which is constantly being updated. Let\'s say a = [1,2,3,4,5]. I need to make an exact duplicate copy of a and call

Answer 1

You can try using Arrays.copyOf() in Java

int[] a = new int[5]{1,2,3,4,5};
int[] b = Arrays.copyOf(a, a.length);