inbuilt function to copy array java code example
Example: java array copy
// Shallow copy
int[] src = {1,2,3,4,5};
int[] dst = Arrays.copyOf(src, src.length);
// Deep copy
int[] dst2 = new int[src.length];
for(int i = 0; i < src.length; i++){
dst2[i] = src[i];
}