a. Hierarchical inheritance
b. Single inheritance
c. Multiple inheritance
d. Multi-level inheritance
a. Hierarchical inheritance
Hierarchical inheritance describes a situation in which a parent class is inherited by the multiple subclasses. Here parent class is a superclass and its child classes are subclasses.
a) lib b) package c) getlib d) import Answer d) import
a. ResultSet b. DriverManager c. Statement d. Connection Answer: b. DriverManager Explanation: DriverManager is a class that acts as an interface between users and Drivers. It
a) True b) False Answer b) False Explanation: A subtype is something that is substituted for and behaves as its parent type. All subclass may
i) It is used as its fundamental building block ii) Similar objects are classified using a concept of class iii) Polymorphism and abstraction are not
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