1import java.util.Arrays;
2 
3public class Main {
4    public static void main(String[] args) {
5        int[] nums = {1, 2, 3};
6 
7        for (int x : nums) {
8            x = x * 2;
9        }
10 
11        System.out.println(Arrays.toString(nums));
12    }
13}