array is null code example

Example 1: isempty for arrays

Object arr[] = new Object[10];
boolean empty = true;
for (Object ob : arr) {
  if (ob != null) {
    empty = false;
    break;
  }
}

Example 2: isempty for arrays

arr = new int[0];
if (arr.length == 0) {
  System.out.println("array is empty");
}