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.
0%
JAVA FUN
共用
共用
共用
由
Sukeshini
編輯內容
列印
嵌入
更多
作業
排行榜
顯示更多
顯示更少
此排行榜當前是私有的。單擊
共用
使其公開。
資源擁有者已禁用此排行榜。
此排行榜被禁用,因為您的選項與資源擁有者不同。
還原選項
測驗
是一個開放式範本。它不會為排行榜生成分數。
需要登錄
視覺風格
字體
需要訂閱
選項
切換範本
顯示所有
播放活動時將顯示更多格式。
)
打開結果
複製連結
QR 代碼
刪除
恢復自動保存:
?