注释 vs XML，优点和缺点
我是这里的java新手，我正在阅读注释和xml，我个人发现xml有很多优点，比如它可以放在应用程序之外，可以在不重新编译类文件的情况下进行更改.如果我使用注释，如果我需要进行更改，则需要转到源代码并重新编译.如果是这种情况，我们为什么要使用注释
i am new to java here, I was reading about annotations and xml, personally I find out xml has lot of advantages like it can be put outside application, changes can be made without recompiling class files. If i use annotations if I need to make changes need to go to source code and recompiling should be done. If this is the case why should we use annotations
推荐答案
注解的优点:
1) 所有信息都在一个文件中(无需打开两个文件来配置给定的行为)
2)类发生变化时，无需修改xml文件
1) All the information is in a single file (no need to open two files to configure a given behavior)
2) When the class changes, no need to modify the xml file
xml文件的优点:
1) POJO 与其行为之间的明确分离
2)当你不知道哪个POJO对行为负责时，更容易找到那个POJO(在文件子集而不是所有源代码中搜索)
1) Clear separation between the POJO and its behavior
2) When you do not know which POJO is responsible for the behavior, it is easier to find that POJO (searching in a subset of files rather than all the source code)
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