ex2.java

import java.util.Arrays;
import java.util.stream.Collectors;

public class ex2 {
	public static void main(String[] args) {
		var a = Arrays.asList(1, 2, 3, 5);

		var result = a.stream().filter(i -> i % 2 == 1);

		System.out.println(
			result.map(i -> i.toString())
				.collect(Collectors.joining(", ", "[", "]")));
	}
}