Java Streams - LongStream count() example

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LongStream count() returns the count of elements in this stream.

Syntax

count has the following syntax.

long count()

Example

The following example shows how to use count.

import java.util.stream.LongStream;
/*w ww. j a  va 2s .c  o m*/
public class Main {
  public static void main(String[] args) {
    LongStream b = LongStream.of(1L, 2L, Long.MAX_VALUE, Long.MIN_VALUE);
    long o = b.count();
    
    System.out.println(o); 
    
  }
}

The code above generates the following result.

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