单项选择题

publicclassTest{publicstaticvoidmain（String[]args）{booleanassert=true；if（assert）{System.out.println（”assertistrue”）；}}}Given：javac－source1.3Test.javaWhatistheresult？（）

A.Compilationfails.
B.Compilationsucceedswitherrors.
C.Compilationsucceedswithwarnings.
D.Compilationsucceedswithoutwarningsorerrors.

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单项选择题

publicclassSomeException{}Classa：publicclassa{publicvoiddoSomething（）{}}Classb：publicclassbextendsa{publicvoiddoSomething（）throwsSomeException{}}Whichistrueaboutthetwoclasses？（）

A.Compilationofbothclasseswillfail.
B.Compilationofbothclasseswillsucceed.
C.Compilationofclassawillfail.Compilationofclassbwillsucceed.
D.Compilationofclassawillfail.Compilationofclassawillsucceed.

单项选择题

11.publicvoidtestIfA（）{12.if（testIfB（”True”））{13.System.out.println（”True”）；14.}else{15.System.out.println（”Nottrue”）；16.}17.}18.publicBooleantestIfB（Stringstr）{19.returnBoolean.valueOf（str）；20.}WhatistheresultwhenmethodtestIfAisinvoked？（）
A.True
B.Nottrue
C.Anexceptionisthrownatruntime.
D.Compilationfailsbecauseofanerroratline12.
E.Compilationfailsbecauseofanerroratline19.

A.publicvoidtestIfA（）{12.if（testIfB（”True”））{13.System.out.println（”True”）；14.}else{15.System.out.println（”Nottrue”）；16.}17.}18.publicBooleantestIfB（Stringstr）{19.returnBoolean.valueOf（str）；20.}WhatistheresultwhenmethodtestIfAisinvoked？（）
A.True
B.Nottrue
C.Anexceptionisthrownatruntime.
D.Compilationfailsbecauseofanerroratline12.
E.Compilationfailsbecauseofanerroratline19.