import java.util.ArrayList;
import java.util.List;

public class App {
    public static void main(String[] args) throws Exception {
        List<Integer> numList = new ArrayList<>();
        numList.add(35);
        numList.add(27);
        numList.add(12);
        numList.add(38);

        Integer[] nums = numList
        .stream()
        .filter(e -> e > 30)
        .toArray(Integer[]::new);

        for(Integer num: nums) {
            System.out.println(num);
        }        
    }
}