摘要: List<CourseLessonExt> Taglist=list.stream().filter(CourseLessonExt->(CourseLessonExt.getType()==3)) .collect(Collectors.toList()); list为要筛选的list对象; Co 阅读全文
posted @ 2020-10-29 17:09 蹉~跎 阅读(3845) 评论(0) 推荐(0)