check if array is empty java

Solutions on MaxInterview for check if array is empty java by the best coders in the world

showing results for - "check if array is empty java"
Keanu
18 Sep 2017
1if (list != null && !list.isEmpty()) { do something }
Guadalupe
26 Jan 2016
1if (myArray == null || myArray.length == 0) { }
Leonie
08 Jan 2018
1arr = new int[0];
2if (arr.length == 0) {
3  System.out.println("array is empty");
4}
5
Paula
15 Feb 2019
1Object arr[] = new Object[10];
2boolean empty = true;
3for (Object ob : arr) {
4  if (ob != null) {
5    empty = false;
6    break;
7  }
8}
9
Daniele
17 Sep 2018
1public class test {
2
3    public static void main(String[] args) {
4        Object[][] someArray = new Object[5][];
5        someArray[0] = new Object[10];
6        someArray[1] = null;
7        someArray[2] = new Object[1];
8        someArray[3] = null;
9        someArray[4] = new Object[5];
10
11        for (int i=0; i<=someArray.length-1; i++) {
12            if (someArray[i] != null) {
13                System.out.println("not null");
14            } else {
15                System.out.println("null");
16            }
17        }
18    }
19}
20
21$ /cygdrive/c/Program\ Files/Java/jdk1.6.0_03/bin/java -cp . test
22not null
23null
24not null
25null
26not null
27
Luca
09 Feb 2020
1Object arr[] = new Object[10];
2boolean empty = true;
3for (int i=0; i<arr.length; i++) {
4  if (arr[i] != null) {
5    empty = false;
6    break;
7  }
8}
9
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