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Answer the two questions on the images

Answer the two questions on the images

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Answer the two questions on the images

 

Question 1 Which of the following is a FALSE statement about inheritance in Java? If "ClassA" extends "ClassB" then we say a ClassA "is-a" ClassB Each class can only extend one other class Subclasses inherit public methods from all levels of superclasses Subclasses inherit constructors from their superclass Submit
Transcribed Image Text:Question 1 Which of the following is a FALSE statement about inheritance in Java? If "ClassA" extends "ClassB" then we say a ClassA "is-a" ClassB Each class can only extend one other class Subclasses inherit public methods from all levels of superclasses Subclasses inherit constructors from their superclass Submit
Question 2 Which of the following sentences most accurately describes an "interface" in Java? A way to define a set of public functionality that your object will implement A class that cannot be instantiated, but can implement methods to be inherited by other classes A way to establish the ability of the given class to compare instances of itself for the purpose of ordering A class that inherits all fields and public methods from the class indicated Submit
Transcribed Image Text:Question 2 Which of the following sentences most accurately describes an "interface" in Java? A way to define a set of public functionality that your object will implement A class that cannot be instantiated, but can implement methods to be inherited by other classes A way to establish the ability of the given class to compare instances of itself for the purpose of ordering A class that inherits all fields and public methods from the class indicated Submit
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