Question

How to transform elements of a stream by applying a mapping function to each element in Java

Answer 1

import java.util.Arrays;
import java.util.stream.Stream;

public class MyClass {
    public static void main(String args[]) {
        Integer[] nums = {1, 2, 3, 4, 5};
        
        Stream<Integer> map = Arrays.stream(nums).map(n -> n * 2);

        map.forEach(System.out::println);    
    }
}




/*
run:

2
4
6
8
10

*/

 

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