现有2个文件:packagex;publicclassX{publicstaticvoiddoX(){System.out.print(doX);}}和:classFind{publicstaticvoidmain(String[]args){//insertcodehere}}哪两行分别插入到类Find的第3行将编译并产生输出doX”?() A.doX();B.X.doX();C.x.X.doX();D.x.XmyX=newx.X();myX.doX();

现有2个文件:packagex;publicclassX{publicstaticvoiddoX(){System.out.print("doX");}}和:classFind{publicstaticvoidmain(String[]args){//insertcodehere}}哪两行分别插入到类Find的第3行将编译并产生输出doX”?()

A.doX();

B.X.doX();

C.x.X.doX();

D.x.XmyX=newx.X();myX.doX();


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现有两个文件:Apackagex;publicclassX{publicstaticvoiddoX(),System.out.print(doX”);}和:Importx,X;classFind{publicstaticvoidmain(String[]args){XmyX=newX();myX.doX();X.doX();x.X.doX();x.XmyX2=newx.x();myX2.doX();}}结果为:()A.doXdoXdoXdoXB.Find类中出现多个错误,编译失败。C.Find类中第4行出现一个错误,编译失败。D.Find类中第5行出现一个错误,编译失败。E.Find类中第6行出现一个错误,编译失败。F.Find类中第7行出现一个错误,编译失败。

现有2个文件:1.packagex;2.publicclassX{3.publicstaticvoiddoX(){System.out.print(doXdoX);}4.}和:1.classFind{2.publicstaticvoidmain(String[]args){3.//insertcodehere4.}5.}哪两行分别插入到类Find的第3行将编译并产生输出doX”?()A.doX();B.X.doX();C.x.X.doX();D.x.XmyX=newx.X();myX.doX();

classCalc{2.publicstaticvoidmain(String[]args){3.try{4.intx=Integer.parseInt(42a);5.//insertcodehere6.System.out.print(oops);7.}8.}9.}下面哪两行分别插入到第五行,会导致输出oops”?() A.}catch(ClassCastExceptionc){B.}catch(IllegalStateExceptionc){C.}catch(NumberFormatExceptionn){D.}catch(IllegalArgumentExceptione){

classHorseRadish{2.//insertcodehere3.protectedHorseRadish(intx){4.System.out.println(bokchoy);5.}6.}7.classWasabiextendsHorseRadish{8.publicstaticvoidmain(String[]args){9.Wasabiw=newWasabi();10.}11.}分别插入到第2行,哪两项允许代码编译并产生bokchoy输出结果?()A.//justacommentB.protectedHorseRadish(){}C.protectedHorseRadish(){this(42);}D.protectedHorseRadish(){newHorseRadish(42);}

现有:1.classBook{2.privatefinalvoidread(){System.out.print(book);}3.}4.classPageextendsBook{5.publicstaticvoidmain(String[]args){6.//insertcodehere7.}8.privatefinalvoidread(){System.out.print(page);}9.}和如下三个代码片段(x,y,z):x.//justacommenty.newPage().read();z.newBook().read();分别插入到第6行,有几个允许代码通过编译并可以运行且无异常?()A.0B.1C.2D.3

现有:1.classBook{2.book);}3.}4.classPageextendsBook{5.publicstaticvoidmain(String[]args){6.//insertcodehere7.}8.privatefinalvoidread(){System.out.print(page);}9.}和如下三个代码片段(x,y,z):x.//justacommenty.newPage().read();z.newBook().read();分别插入到第6行,有几个允许代码通过编译并可以运行且无异常?()

现有:1.classHorseRadish{2.//insertcodehere3.protectedHorseRadish(intx){4.System.out.println(bokchoy);5.}6.}7.classWasabiextendsHorseRadish{8.publicstaticvoidmain(String[]args){9.Wasabiw=newWasabi();10.}11.}分别插入到第2行,哪两项允许代码编译并产生bokchoy输出结果?()A.//justacommentB.protectedHorseRadish(){}C.protectedHorseRadish(){this(42);}D.protectedHorseRadish(){newHorseRadish(42);}

现有两个文件:packageX;publicclassX{publicstaticvoiddoX(){System.out.print(doX);}}和:importx.X;classFind{publiCstaticvoidmain(String[]args){XmyX=newX();myX.doX();X.doX();x.X.aoX():x.XmyX2=newx.X();myx2.doX();}}结果为:()A.Find类中第4行出现一个错误,编译失败。B.Find类第5行出现一个错误,编译失败。C.Find类第6行出现一个错误,编译失败。D.doXdoXdoXdoX

现有:classHorseRadish{//insertcodehereprotectedHorseRadish(intx){System.out.println(bokchoy);}}classWasabiextendsHorseRadish{publicstaticvoidmain(String[]args){Wasabiw-newWasabi();}}分别插入到第2行,哪两项允许代码编译并产生”bokchoy”输出结果()A.protectedHorseRadish(){this(42);}B.protectedHorseRadish(){}C.//justacommentD.protectedHorseRadish(){newHorseRadish(42);}