isempty for arrays

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

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3.86

Phoenix Logan 186120 points

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

Thank you! 7

3.86 (7 Votes)

3.25

Phoenix Logan 186120 points

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

Thank you! 4

3.25 (4 Votes)

4.22

Awgiedawgie 440220 points

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

Thank you! 9

4.22 (9 Votes)

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isempty for arrays

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