${?}_{{?}_{{?}_{?}}{?}_{{?}_{?}}is\text{t}\text{h}\text{e}\text{a}\text{b}\text{i}\text{l}\text{i}\text{t}\text{y}of\text{o}\text{b}\text{j}\text{e}\text{c}\text{t}\text{s}of\text{d}\text{i}\text{f}\text{f}\text{e}\text{r}\text{e}\text{n}\text{t}\text{c}\text{l}\text{a}\text{s}\text{s}\text{e}\text{s}\text{r}\text{e}\text{l}\text{a}\text{t}\text{e}\text{d}byinheritanceto\text{r}\text{e}\text{s}\text{p}\text{o}\text{n}\text{d}\text{d}\text{i}\text{f}\text{f}\text{e}\text{r}\text{e}\text{n}\text{t}\text{l}\text{y}to\text{t}\text{h}\text{e}\text{s}\text{a}\text{m}\text{e}\text{m}\text{e}\text{t}\text{h}\text{o}\text{d}\text{c}\text{a}\text{l}\text{l}\text{.}}$

$A.$ interface

$B.$ overriding

$C.$ inheritance

$D.$ information hiding

$E.$ superclass

$F.$ subclass

$G.$ none $of$ the above