IntStream flatMap(IntFunction mapper) example
Description
IntStream flatMap(IntFunction<? extends IntStream> mapper)
returns a stream by a mapped stream using mapping function.
Syntax
flatMap has the following syntax.
IntStream flatMap(IntFunction<? extends IntStream> mapper)
Example
The following example shows how to use flatMap.
import java.util.stream.IntStream;
//w ww .j a v a 2 s .c o m
public class Main {
public static void main(String[] args) {
IntStream i = IntStream.of(6,5,7,1, 2, 3, 3);
IntStream i2 = i.flatMap(n -> IntStream.of(n*n));
i2.forEach(System.out::println);
}
}
The code above generates the following result.
