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: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.//justacomment
B.protectedHorseRadish(){}
C.protectedHorseRadish(){this(42);}
D.protectedHorseRadish(){newHorseRadish(42);}
相关考题:
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:classTestFoo{intx;Stringy;intgetX(){returnx;}StringgetY(){returny;}voidsetX(intx){intz=7;this.x=x;}}可以添加多少个修饰符来封装此类?() A.2B.3C.4D.5
现有:1.classSuperFoo{2.SuperFoodoStuff(intx){3.returnnewSuperFoo();4.}5.}6.7.classFooextendsSuperFoo{8.//insertcodehere9.}和四个声明:FoodoStuff(intx){returnnewFoo();}FoodoStuff(intx){returnnewSuperFoo();}SuperFoodoStuff(intx){returnnewFoo();}SuperFoodoStuff(inty){returnnewSuperFoo();}分别插入到第8行,有几个可以通过编泽?()
现有publicclassParenttpublicvoidchange(intx){))publicclassChildextendsParent{//覆盖父类change方法}下列哪个声明是正确的覆盖了父类的change方法?() A.protectedvoidchange(intx){}B.publicvoidchange(intx,inty){}C.publicvoidchange(intx){}D.publicvoidchange(Strings){}
现有 int x=0,y=4; 表达式-10<x & y<0的结果是