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java stream group by count

Mahmudul hasan answered on December 18, 2022 Popularity 6/10 Helpfulness 7/10

answer java stream group by count

java stream group by count

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Map<String, Long> result = list.stream()
  .collect(Collectors.groupingBy(Function.identity(), Collectors.counting()));
Assert.assertEquals(new Long(2), result.get("Foo"));
Assert.assertEquals(new Long(3), result.get("Bar"));
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Popularity 6/10 Helpfulness 7/10 Language java

Source: www.baeldung.com

Tags: count group-by java java-stream

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Contributed on Dec 18 2022

Mahmudul hasan

0 Answers Avg Quality 2/10

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java stream group by count

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