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Whichtwo scenarios are NOT safe to replace a StringBuffer object with a StringBuilder object？（）
- A、When using versions of Java technology earlier than 5.0.
- B、When sharing a StringBuffer among multiple threads.
- C、When using the java.io class StringBufferInputStream.
- D、When you plan to reuse the StringBuffer to build more than one string.
- E、Enitiation of separate design processes to the separation of users
参考答案
更多 “Whichtwo scenarios are NOT safe to replace a StringBuffer object with a StringBuilder object？（）A、When using versions of Java technology earlier than 5.0.B、When sharing a StringBuffer among multiple threads.C、When using the java.io class StringBufferInputStream.D、When you plan to reuse the StringBuffer to build more than one string.E、Enitiation of separate design processes to the separation of users” 相关考题
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77 The Delphi Method is _____ .A. used to derive a consensus arriving at a convergent solutionB. useful in determining probability relating to future events.C. used with questionnaires based on established scenarios.D. continued as an iterative process until a solution is reached.E. All of the above
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单选题Given below is a list of scenarios： 1）A user terminates his session abnormally. 2）The connection between the server and the client application terminates because of a network failure. 3）A schema is accidentally dropped. 4）The tablespace is accidentally dropped from the database. 5）The hard disk gets corrupted and the data files in the disk are lost. 6）The database instance abnormally shuts down because of power failure. Which scenarios require DBA intervention to perform recovery（）A
4 and 5B
1，3，and 6C
4，5，and 6D
3，4，and 5E
1，2，and 6
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多选题In an Ethernet network, under what two scenarios can devices transmit?（）Awhen they receive a special tokenBwhen there is a carrierCwhen they detect no other devices are sendingDwhen the medium is idleEwhen the server grants access
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单选题Given below is a list of scenarios： 1） A user terminates his session abnormally. 2） The connection between the server and the client application terminates because of a network failure. 3） A schema is accidentally dropped. 4） The tablespace is accidentally dropped from the database. 5） The hard disk gets corrupted and the data files in the disk are lost. 6） The database instance abnormally shuts down because of power failure. Which scenarios require DBAintervention to perform recovery（）A
1， 3， and 6B
4， 5， and 6C
3， 4， and 5D
1， 2， and 6
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