interfaceA{publicintgetValue()}classBimplementsA{publicintgetValue(){return1;}}classCextendsB{//insertcodehere}Whichthreecodefragments insertedindividuallyatline15 makeuseofpolymorphism?()
interfaceA{publicintgetValue()}classBimplementsA{publicintgetValue(){return1;}}classCextendsB{//insertcodehere}Whichthreecodefragments,insertedindividuallyatline15,makeuseofpolymorphism?()
A、publicvoidadd(Cc){c.getValue();}
B、publicvoidadd(Bb){b.getValue();}
C、publicvoidadd(Aa){a.getValue();}
D、publicvoidadd(Aa,Bb){a.getValue();}
E、publicvoidadd(Cc1,Cc2){c1.getValue();}