0 z4 V' E4 ~# a2 r- S [ Function Thar Use Referennces To Base(Super) Classes Must Be Able To Use Objects Of Derived(Sub) Classes Without Knowing It ] 4 f, I* m2 }0 g4 n% J% Y 5 O- T9 h5 T8 H1 `+ H- G3 e' G/ ` 9 y2 h% s8 N; }& t- JLiskov替换法则 0 f. a& F' G8 y- L/ c* W* P- h
, c" ]# f6 @# r; K- s0 K! B/ N. Z5 u5 @: b+ M" s, b' w
1.显而易见,Liskov替换法则(LSP)是根据我所熟知的"多态"而得出的。 $ a- O% ^$ A3 k8 }
2 W K$ i9 y& o& n