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单选题
下面对category描述不正确的是()
A
category可以添加新的方法
B
category可以删除修改之前的方法
C
将类的实现分散到多个不同文件或多个不同框架中
D
创建对私有方法的前向引用
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单选题下面对category描述不正确的是()A
category可以添加新的方法B
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创建对私有方法的前向引用
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