单项选择题

publicclassAlpha{publicstaticvoidmain（string[]args）{if（args.length==2）{if（args.[0].equalsIgnoreCase（-b”））System.out.println（newBoolean（args[1]））；}}}Andthecodeisinvokedbyusingthecommand：javaAlpha–bTRUEWhatistheresult？（）
A.true
B.null
C.false
D.Compilationfails.
E.Thecoderunswithnooutput.
F.Anexceptionisthrownatruntime.

A.length==2）{if（args.[0].equalsIgnoreCase（-b”））System.out.println（newBoolean（args[1]））；}}}Andthecodeisinvokedbyusingthecommand：javaAlpha–bTRUEWhatistheresult？（）
A.true
B.null
C.false
D.Compilationfails.
E.Thecoderunswithnooutput.
F.Anexceptionisthrownatruntime.

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单项选择题

classsuper{2.publicfloatgetNum（）{return3.0f；}3.}4.5.publicclassSubextendsSuper{6.7.}Whichmethod，placedatline6，willcauseacompilererror？（）

A.PublicfloatgetNum（）{return4.0f；}
B.PublicvoidgetNum（）{}
C.PublicvoidgetNum（doubled）{}
D.PublicdoublegetNum（floatd）{retrun4.0f；}

单项选择题

YouareusingtheDatabaseResourceManagertomanagedatabaseresources.YoucreatedaresourceplandirectivefortheMANAGERSresourceconsumergroupundertheSALES_PLANbyusingthefollowingstatement：SQL>EXECDBMS_RESOURCE_MANAGER.CREATE_PLAN_DIRECTIVE（PLAN=>’SALES_PLAN’，GROUP_OR_SUBPLAN=>’MANAGERS’，CPU_P1=>100，CPU_P2=>0，SWITCH_GROUP=>’CLERKS’，SWITCH_TIME_IN_CALL=>600）；Auser，SCOTT，whoisassignedtotheMANAGERSgroup，startsadatabasesessionandexecutesaqueryonthedatabase.Whatistheoutcomeifthequerytakesapproximately15minutestocomplete？（）

A.YoucreatedaresourceplandirectivefortheMANAGERSresourceconsumergroupundertheSALES_PLANbyusingthefollowingstatement：
B.CREATE_PLAN_DIRECTIVE