Interview Question? How to find square of each element in this Array {2,4,5,6,8} using map ?

 Q. How to find square of each element in this Array {2,4,5,6,8}

Output : [4, 16, 25, 36, 64]

Solution :-

package p3;

import java.util.Arrays;

import java.util.List;

import java.util.stream.Collectors;

public class MapExample {

public static void main(String[] args) {

Integer[] abc={2,4,5,6,8};

List<Integer> list=Arrays.asList(abc);

List<Integer> squareEle=list.stream().map(i->i*i).collect(Collectors.toList());

System.out.println(squareEle);

for(Integer i:squareEle) {

System.out.println(i);

}

 

}

}

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O/P:-  Output : [4, 16, 25, 36, 64]