The alias at work in Listing 11 is TypeAlias, which effectively tells db4o to swap out an "a" type in memory (the runtime name) for a "b" type on disk (the stored name).

清单11中出现的别名是TypeAlias，它有效地告诉db 4 o用内存中的“a”类型(运行时名称)替换磁盘上的“b”类型(存储的名称)。

youdao

The alias at work in Listing 11 is TypeAlias, which effectively tells db4o to swap out an "a" type in memory (the runtime name) for a "b" type on disk (the stored name).

清单11中出现的别名是TypeAlias，它有效地告诉db 4 o用内存中的“a”类型(运行时名称)替换磁盘上的“b”类型(存储的名称)。

youdao