题目内容
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A．To test multiple conditions in the process of making a decision requires logical operators．
B．The keywords for the logical operators are AND , OR and NOT ．
C．The logical AND of two expressions is true if and only if each of the conditions is true
D．Truth tables deal only with cases in which all conditions are truthful ．
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A.ThetimetofindthevaluefromHashMapwithaPersonkeydependsonthesizeofthemap.
B.DeletingaPersonkeyfromaHashMapwilldeleteallmapentriesforallkeysoftypePerson.
C.InsertingasecondPersonobjectintoaHashSetwillcausethefirstPersonobjecttoberemovedasaduplicate.
D.ThetimetodeterminewhetheraPersonobjectiscontainedinaHashSetisconstantanddoesNOTdependonthesizeofthemap.
A.Theoutputcouldbe5-16-16-25-2
B.Theoutputcouldbe6-16-25-15-2
C.Theoutputcouldbe6-15-26-25-1
D.Theoutputcouldbe6-16-25-17-1
A.Ifonlyonethreadisblockedinthewaitmethodofanobject，andanotherthreadexecutesthemodifyonthatsameobject，thenthefirstthreadimmediatelyresumesexecution.
B.Ifathreadisblockedinthewaitmethodofanobject，andanotherthreadexecutesthenotifymethodonthesameobject，itisstillpossiblethatthefirstthreadmightneverresumeexecution.
C.Ifathreadisblockedinthewaitmethodofanobject，andanotherthreadexecutesthenotifymethodonthesameobject，thenthefirstthreaddefinitelyresumesexecutionasadirectandsoleconsequenceofthenotifycall.
D.Iftwothreadsareblockedinthewaitmethodofoneobject，andanotherthreadexecutesthenotifymethodonthesameobject，thenthefirstthreadthatexecutedthewaitcallfirstdefinitelyresumesexecutionasadirectandsoleconsequenceofthenotifycall.
A.theL4TMallowlistoverridestheblocklist
B.theoverlapoftheL4TMallowlistandblocklististheL4TMgreylist
C.theL4TMblocklistsoverridetheallowlists
D.L4TMallowlistandblocklistoverlapsarenotpermitted
A.ThiscodecanthrowanInterruptedException.
B.ThiscodecanthrowanIllegalMonitorStateException.
C.ThiscodecanthrowaTimeoutExceptionaftertenminutes.
D.Reversingtheorderofobj.wait（）andobj.notify（）mightcausethismethodtocompletenormally.
E.Acalltonotify（）ornotifyAll（）fromanotherthreadmightcausethismethodtocompletenormally.
F.ThiscodedoesNOTcompileunless"obj.wait（）"isreplacedwith"（（Thread）obj）.wait（）".
A.Thecommandfailsbecauseyoucannotconfigurearedundancy-basedretentionpolicywhenbackupoptimizationisenabled
B.Backupoptimizationisperformed，butRMANconsiderstheredundancy-basedretentionpolicywhenit determineswhichdatafilesshouldbebackedup
C.Backupoptimizationispermanentlydisabled
D.Backupoptimizationistemporarilydisabledbecausearedundancy-basedretentionpolicyisspecified
A.CompilationfailsbecausethehashCodemethodisnotoverridden.
B.AHashSetcouldcontainmultiplePersonobjectswiththesamename.
C.AllPersonobjectswillhavethesamehashcodebecausethehashCodemethodisnotoverridden.
D.IfaHashSetcontainsmorethanonePersonobjectwithname="Fred"，thenremovinganotherPerson，alsowithname="Fred"，willremovethemall.
A.Compilationsucceeds.
B.classAdoesnotcompile.
C.Themethoddeclaredonline9cannotbemodifiedtothrowTestException.
D.TestAcompilesifline10isenclosedintry/catchblockthatcatchesTestException.
A.Theoutputcouldbe5-1，6-1，6-2，5-2
B.Theoutputcouldbe6-1，6-2，5-1，5-2
C.Theoutputcouldbe6-1，5-2，6-2，5-1
D.Theoutputcouldbe6-1，6-2，5-1，7-1
A.Compilationfails.
B.Anexceptionisthrownatruntime.
C.Synchronizingtherun（）methodwouldmaketheclassthread-safe.
D.Thedatainvariable"x"areprotectedfromconcurrentaccessproblems.
E.DeclaringthedoThings（）methodasstaticwouldmaketheclassthread-safe.
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