at java.sql.DriverManager.getConnection(Unknown Source)的翻译：at java.sql.DriverManager.getConnection(Unknown Source) 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

at java.sql.DriverManager.getConnection(Unknown Source)

at java.sql.DriverManager.getConnection (Unknown Source)

Java.sql.DriverManager at getConnection (Unknown Source).

at java.sql.DriverManager.getConnection(Unknown Source)