Answers for "how to count null values with collections"

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how to count null values with collections

HOW TO COUNT NULL VALUES
List<String> list = new ArrayList(Arrays.asList
                              ("Java",null,"Python",null, "Ruby"));
CollectionUtils.filter(list, PredicateUtils
                           .nullPredicate()); ==> keeps only nulls
System.out.println(list.size());

Posted by: Guest on January-14-2021

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