java_20_oop
Post on 07-Sep-2015
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OOP
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OOP1. Tha k Cho php cc class tha k ln nhau,cc Interface tha k ln nhau,Superclass v supclass.Lp con s tha k2. ng gi Mt packet bao gm nhiu class, phm vi s dng ca cc class,thuc tnh v phng thc Cho php che du d liu3. a hnh Phng thc lp cha v ln con c th overload(Cng tn khc tham s khc kiu tr v con th b sung thm cc chc nng.) overlide ( Cng tn cng danh sch tham s nhng con s dng khc nhau ).
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