How do JAXB handles attribute in tag?

问题

Suppose I have the following xml:

<root>
<tag1>value1</tag1>
<tag2 attr1="somevalue"></tag2>
</root>

I want to know how the JAXB handles the attribute of any tag, when it converts from xml to any any object. (I mean when it does unmarshalling)

来源：https://stackoverflow.com/questions/10845484/how-do-jaxb-handles-attribute-in-tag