publicclassTestFive{privateintx；publicvoidfoo（）{intcurrent=x；x=current+1；}publicvoidgo（）{for（inti=0；i5；i++）{newThread（）{publicvoidrun（）{foo（）；System.out.print（x+，）；}}.start（）；}}}Whichtwochanges，takentogether，wouldguaranteetheoutput：1，2，3，4，5，？（）A.Movetheline12printstatementintothefoo（）method.B.Changeline7topublicsynchronizedvoidgo（）{.C.Changethevariabledeclarationonline3toprivatevolatileintx；.D.Wrapthecodeinsidethefoo（）methodwithasynchronized（this）block.E.Wraptheforloopcodeinsidethego（）methodwithasynchronizedblocksynchronized（this）{//forloopcodehere}.
publicclassTestFive{privateintx；publicvoidfoo（）{intcurrent=x；x=current+1；}publicvoidgo（）{for（inti=0；i<5；i++）{newThread（）{publicvoidrun（）{foo（）；System.out.print（x+，）；}}.start（）；}}}Whichtwochanges，takentogether，wouldguaranteetheoutput：1，2，3，4，5，？（）
A.Movetheline12printstatementintothefoo（）method.
B.Changeline7topublicsynchronizedvoidgo（）{.
C.Changethevariabledeclarationonline3toprivatevolatileintx；.
D.Wrapthecodeinsidethefoo（）methodwithasynchronized（this）block.
E.Wraptheforloopcodeinsidethego（）methodwithasynchronizedblocksynchronized（this）{//forloopcodehere}.
相关考题：
publicclassTestSevenextendsThread{privatestaticintx;publicsynchronizedvoiddoThings(){intcurrent=x;current＋＋;x=current;}publicvoidrun(){doThings();}}Whichistrue?() A.Compilationfails.B.Anexceptionisthrownatruntime.C.Synchronizingtherun（）methodwouldmaketheclassthread-safe.D.Thedatainvariable“x”areprotectedfromconcurrentaccessproblems.E.DeclaringthedoThings（）methodasstaticwouldmaketheclassthread-safe.F.WrappingthestatementswithindoThings（）inasynchronized（newObject（））{}blockwouldmaketheclassthread-safe.
publicclassStarterextendsThread{privateintx=2；publicstaticvoidmain（String[]args）throwsException{newStarter（）.makeItSo（）；}publicStarter（）{x=5；start（）；}publicvoidmakeItSo（）throwsException{join（）；x=x-1；System.out.println（x）；}publicvoidrun（）{x*=2；}}Whatistheoutputifthemain（）methodisrum？（）A.4B.5C.8D.9E.Compilationfails.F.Anexceptionisthrownatruntime.G.Itisimpossibletodetermineforcertain.
publicabstractclassShape{privateintx;privateinty;publicabstractvoiddraw();publicvoidsetAnchor(intx,inty){this.x=x;this.y=y;}}WhichtwoclassesusetheShapeclasscorrectly?() A.publicclassCircleimplementsShape{privateintradius；}B.publicabstractclassCircleextendsShape{privateintradius；}C.publicclassCircleextendsShape{privateintradius；publicvoiddraw（）；}D.publicabstractclassCircleimplementsShape{privateintradius；publicvoiddraw（）；}E.publicclassCircleextendsShape{privateintradius；publicvoiddraw（）{/*codehere*/}}F.publicabstractclassCircleimplementsShape{privateintradius；publicvoiddraw（）{/codehere*/}}
A.f(-x，y)=f(x，y)，f(x，-y)=-f(x，y)B.f(-x，y)=f(x，y)，f(x，-y)=f(x，y)C.f(-x，y)=-f(x，y)，f(x，-y)=-f(x，y)D.f(-x，y)=-f(x，y)，f(x，-y)=f(x，y)
若f（-x）=f（x），且在（0，+∞）内f′（x）＞0，f″（x）＜0，则f（x）在（-∞，0）内（ ）。A.f′（x）＜0，f″（x）＜0B.f′（x）＜0，f″（x）＞0C.f′（x）＞0，f″（x）＜0D.f′（x）＞0，f″（x）＞0
若f（-x）=f（x），且在（0，+∞）内f′（x）＞0，f″（x）＜0，则f（x）在（-∞，0）内（ ）。《》（ ）A.f′（x）＜0，f″（x）＜0B.f′（x）＜0，f″（x）＞0C.f′（x）＞0，f″（x）＜0D.f′（x）＞0，f″（x）＞0
若f（x）=-f（-x），在（0，+∞）内f′（x）＞0，f″（x）＞0，则在（-∞，0）内（ ）《》（ ）A.f′（x）＜f″（x）＜0B.f′（x）＜f″（x）＞0C.f′（x）＞f″（x）＜0D.f′（x）＞f″（x）＞0
下列关于整除的命题中，正确的是______。A．若f(x)|g(x)+h(x)，则f(x)|g(x)或f(x)|h(x)B．若f(x)|g(x)+h(x)，且f(x)|g(x)，则f(x)|h(x)C．若f(x)|g(x)h(x)，则f(x)|g(x)或f(x)|h(x)D．若f(x)|g(x)h(x)，且f(x)不整除g(x)，则f(x)|h(x)