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  • CollectionUtil:判断集合不为空

    public static boolean isNotEmpty(Object object) {
    if(object instanceof List){
    List list = (List)object; if(list != null && list.size() > 0){ return true; } else { return false; } } else if(object instanceof Map){ Map map = (Map)object;
    if(map != null && map.size() > 0){
    return true;
    } else {
    return false;
    }
    } else if(object instanceof Set){
    Set<?> set = (Set) object;
    if(set != null && set.size() > 0){
    return true;
    } else {
    return false;
    }
    }else{
    return false;
    }
    }

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  • 原文地址:https://www.cnblogs.com/dhc1995/p/15164856.html
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