Java:有一种简单,快速的AND,OR或XOR集合方法吗？

Set<Integer> set1 = new HashSet<>(Arrays.asList(1, 2, 3, 4));
Set<Integer> set2 = new HashSet<>(Arrays.asList(3, 4, 5, 6));

set1.retainAll(set2);

System.out.println(set1); // 输出 [3, 4]

Set<Integer> set1 = new HashSet<>(Arrays.asList(1, 2, 3, 4));
Set<Integer> set2 = new HashSet<>(Arrays.asList(3, 4, 5, 6));

set1.addAll(set2);

System.out.println(set1); // 输出 [1, 2, 3, 4, 5, 6]

Set<Integer> set1 = new HashSet<>(Arrays.asList(1, 2, 3, 4));
Set<Integer> set2 = new HashSet<>(Arrays.asList(3, 4, 5, 6));

Set<Integer> xorSet = set1.stream()
    .filter(e -> !set2.contains(e))
    .collect(Collectors.toSet());

set2.stream()
    .filter(e -> !set1.contains(e))
    .forEach(xorSet::add);

System.out.println(xorSet); // 输出 [1, 2, 5, 6]