Dab tsi yog superclass Java?
Dab tsi yog superclass Java?

Video: Dab tsi yog superclass Java?

Video: Dab tsi yog superclass Java?
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A Java superclass yog ib chav kawm uas muab ib txoj kev los yog txoj kev rau a Java subclass. A Java chav kawm yuav yog ib tug subclass, a superclass , ob, los yog tsis! Cov chav Cat hauv cov piv txwv hauv qab no yog subclass thiab Tsiaj class yog cov superclass.

Yog li ntawd, dab tsi yog superclass?

A superclass yog ib chav kawm uas tau txuas ntxiv los ntawm lwm chav kawm. Nws tso cai rau cov chav kawm txuas ntxiv kom tau txais nws lub xeev thiab kev coj cwj pwm. Kuj Paub Raws li: base class, parent class.

Ib yam li ntawd, dab tsi yog superclass ntawm txhua chav kawm hauv Java? Vajntxwv Object. A: Qhov Khoom chav kawm , uas yog khaws cia rau hauv lub java ua . lang pob, yog qhov kawg superclass ntawm tag nrho cov chav kawm Java (tshwj tsis yog Object). Tsis tas li ntawd, arrays ncua Object.

Tsis tas li ntawd, dab tsi yog superclass thiab subclass hauv Java?

Txhawm rau rov hais dua qhov koj tau pom ua ntej, cov chav kawm tuaj yeem muab los ntawm lwm chav kawm. Chav derived (chav kawm uas muab los ntawm lwm chav kawm) hu ua a subclass . Cov chav kawm uas nws tau muab los yog hu ua superclass . Qhov tseeb, hauv Java , txhua chav kawm yuav tsum tau muab los ntawm qee chav kawm.

Dab tsi yog chav kawm super hauv OOP?

Hauv object-oriented programming, qub txeeg qub teg ua rau cov khoom tshiab coj los ntawm cov khoom ntawm cov khoom uas twb muaj lawm. A chav kawm uas yog siv los ua lub hauv paus rau qub txeeg qub teg hu ua a superclass los yog chav kawm hauv paus . A chav kawm uas inherits los ntawm a superclass yog hu ua subclass los yog muab tau los chav kawm.

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