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廖老师，，，，defs如果是null，调用isEmpty不会报NullPointException空指针异常吗

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快乐小张701

#1 Created at ... [Delete] [Delete and Lock User]

defs会不会为null？？？？

    List<BeanDefinition> defs = findBeanDefinitions(type);
    if (defs.isEmpty()) { // 没有找到任何BeanDefinition
        return null;
    }

廖雪峰

#2 Created at ... [Delete] [Delete and Lock User]

自己写List findXxx()，返回List.of()不要返回null

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