Given that c is a reference to a valid java.io.Console object， and： 11.String pw = c.readPassword（"%s"， "pw： "）； 12.System.out.println（"got " + pw）； 13.String name = c.readLine（"%s"， "name： "）； 14.System.out.println（" got "， name）； If the user types fido when prompted for a password， and then responds bob when prompted for a name，what is the result？（） An exception is thrown at runtime。 pw： fido got fido name： bob got bob。 pw： got fido name： bob got bob。 Compilation fails.。
为什么在双电源线路上，检定无压的一侧还需检定同期？
Whichtwo scenarios are NOT safe to replace a StringBuffer object with a StringBuilder object？（） When using versions of Java technology earlier than 5.0.。 When sharing a StringBuffer among multiple threads.。 When using the java.io class StringBufferInputStream.。 When you plan to reuse the StringBuffer to build more than one string.。 Enitiation of separate design processes to the separation of user。
（）对各标段的工程质量和安全生产进行统一管理，负责制定项目部的质量和安全工作目标、计划，并组织贯彻实施。 综合部。 项目经理。 质量安全部。 技术部。
What is the architectural benefit of keeping WebLogic Server transaction log in the database?（） Oracle does not allow replicating files between data centers, so keeping transaction log in database allows for replication.。 Many transactions in WebLogic are database centric, so keeping log in database makes Two Phase Commit protocol possible.。 It obviates the need to keep in sync two replication technologies (file and database) between data centers. The single replication technology is used for frequently changing data.。 Transaction log in a file system is extremely slow so it cannot be efficiently replicated.。
Which are DML statements? （）
