怎么将返回值为null改成""

Question

public CallbackResult publishAgain(String taskId){
try {
ArrayList skuInfoList = (ArrayList) this.dao.getJdbcDao().queryForList(ShopTaskSkuInfo.class, "batch.select.shop.task.sku.info.by.taskid", taskId);
Result.getSession().setAttribute("skuInfoFromMultiPublish", skuInfoList);

        for (ShopTaskSkuInfo info : skuInfoList) {
            if(info.getDesc() == null || info.getDesc() == ""){
                return ;
            }
        }

    } catch (Exception e) {}

    return new CallbackResult(true);
}

Answer 1

if(info.getDesc() == null || info.getDesc() == ""){
return '';
}