题目内容

技术的价值主要有()

A. 自然价值
B. 经济价值
C. 政治价值
D. 文化价值
E. 生态价值
F. 内在价值

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WhichthreeJVMoptionswouldyouaddtoinvestigateperformanceissuesinaHot-SpotJVM?()

A. -xx:+PrintGCDetails
B. -xx:+PrintGCTimeStamps
C. -xx:+HandlePromotionFailure
D. -verbose:gc
E. -server

在穆勒五法中“分析结果,因果对应。果有剩余,必有隐因。”是指()

A. 求同法
B. 差异法
C. 求同差异共用法
D. 共变法
E. 剩余法

Giventhatcisareferencetoavalidjava.io.Consoleobject,and:11.Stringpw=c.readPassword("%s","pw:");12.System.out.println("got"+pw);13.Stringname=c.readLine("%s","name:");14.System.out.println("got",name);Iftheusertypesfidowhenpromptedforapassword,andthenrespondsbobwhenpromptedforaname,whatistheresult?()

Anexceptionisthrownatruntime
B. pw:fidogotfidoname:bobgotbob
C. pw:gotfidoname:bobgotbob
D. Compilationfails.

Verysoonyouwillbeperformingmaintenanceoperations.Youwouldhaveseveraljobstorunassoonasthemaintenanceperiodstarts.Whichmethodwouldyouusetocreatejobswithoutspecifyingthetimeperiodwhenthejobshouldberun?()

A. useDBMS_IJOBpackage
B. useOracleScheduler
C. useDBMS_JOBpackage
D. useOracleDataPumpExportandImport

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