Java 8 # NonDuplicateInteger

 import java.util.*;

import java.util.stream.*;
public class NonDuplicateIntegers {
    public static void main(String a[])
    {
        List<Integer> list = Arrays.asList(1, 1, 3, 3, 5, 5, 8, 8, 9, 10);

        List<Integer> nonduplicate =list.stream()
            .filter(num -> list.stream().filter(n -> n.equals(num)).count() == 1)
            .collect(Collectors.toList());

        System.out.println(nonduplicate);
    }
}