java8-stream-filter 数组去重

    技术2022-07-13  72

    java8-stream-filter 数组去重

    目标:方法:

    目标:

    对目标数组去重,并筛选出要用的数组

    方法:

    //数组去重 idList.stream().distinct(); //数组筛选 list.stream().filter(coo->idList.contains(coo.get("cooperationId").toString()));

    相当于:

    //数组去重 idList.stream().distinct(); list=list.stream().filter((Map<String, String> coo)->( idList.contains(coo.get("cooperationId").toString()) )).collect(Collectors.toList());
    Processed: 0.014, SQL: 9