With an input and output file, it's now possible to see how JAXB does at round-tripping, by comparing the files to each other (remember that the original file was shown back in Listing 1).
现在有了输入和输出文件,通过互相比较可以看看JAXB在往返中是如何工作的(原始文件如清单1所示)。
3
Comparing the file sizes with the ls command, you see that the backup was used to replace the current database.