Which of the following statements about inheritance is false?, Java supports single inheritance., Java allows multiple class inheritance using extends., Interfaces can be used to achieve multiple inheritance., The super keyword can be used to invoke the parent class constructor., Which of the following statements about abstract classes is correct?, Abstract classes cannot have constructors., Abstract classes cannot have static methods., An object of an abstract class cannot be instantiated., Abstract classes cannot have final methods., Which of the following is FALSE about abstract classes in Java, If we derive an abstract class and do not implement all the abstract methods, then the derived class should also be marked as abstract using \'abstract\' keyword, Abstract classes can have constructors, A class can be made abstract without any abstract method, A class can inherit from multiple abstract classes., In Java, we can make a class abstract by, Declaring it abstract using the abstract keyword., Making at least one method final., Declaring all methods as static., Declaring at least one method as abstract., Type IV JDBC driver is a driver, which is written in C++, which requires an intermediate layer, which communicates through Java sockets, which translates JDBC function calls into API not native to DBMS.

JAVA FUN

di
Stampa
Incorpora

Classifica

Stile di visualizzazione

Opzioni

Cambia modello

)
Ripristinare il titolo salvato automaticamente: ?