how to check array with null in java code example

Example 1: isempty for arrays

int arr[] = null;
if (arr == null) {
  System.out.println("array is null");
}

Example 2: isempty for arrays

Object arr[] = new Object[10];
boolean empty = true;
for (int i=0; i<arr.length; i++) {
  if (arr[i] != null) {
    empty = false;
    break;
  }
}