Java Streams - IntStream map(IntUnaryOperator mapper) example

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IntStream map(IntUnaryOperator mapper) returns a stream by applying the given function.

Syntax

map has the following syntax.

IntStream map(IntUnaryOperator mapper)

Example

The following example shows how to use map.

import java.util.stream.IntStream;

public class Main {
  public static void main(String[] args) {
    IntStream i = IntStream.of(6,5,7,1, 2, 3, 3);
    IntStream d = i.map(n -> -n );
    d.forEach(System.out::println);
  }
}

The code above generates the following result.

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