List实体类 多个条件 差集 交际

 //多个条件 
List<V2permissionVo> addGradeScoreRuleList = oldList.stream()
                .filter(gradeRule -> !newList.stream().map(dbGradeRule -> dbGradeRule.getServerId() + dbGradeRule.getSubAccId())
                        .collect(Collectors.toList()).contains(gradeRule.getServerId() + gradeRule.getSubAccId()))
                .collect(Collectors.toList());
        System.out.println("addGradeScoreRuleList = " + addGradeScoreRuleList);
//单个
        List<V2permissionVo> differenceB = oldList.stream().filter(
                b -> newList.stream().map(V2permissionVo::getServerId)
                        .noneMatch(id -> StringUtils.equals(b.getServerId(), id))
        )
                .collect(Collectors.toList());
        System.out.println(differenceB);