1) The following is a valid interface definition in Java public interface Shape { default public double getArea(); public double getPerimeter() } Select one: True False 2) You can use the following method header to override the equals method in Object class: protected equals(Object obj) Given that the class (wherein this method is defined) implements the Comparable interface 3) Based on the below code: Restaurant res=new Restaurant("Default Name"); Restaurant.Address add=res.new Address(new City()); The class city is: Select one: a. A part-of Class Address b. An inner Class to Class Address c. An inner Class to Class Restaurant d. None of these
1) The following is a valid interface definition in Java public interface Shape { default public double getArea(); public double getPerimeter() } Select one: True False 2) You can use the following method header to override the equals method in Object class: protected equals(Object obj) Given that the class (wherein this method is defined) implements the Comparable interface 3) Based on the below code: Restaurant res=new Restaurant("Default Name"); Restaurant.Address add=res.new Address(new City()); The class city is: Select one: a. A part-of Class Address b. An inner Class to Class Address c. An inner Class to Class Restaurant d. None of these
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
Related questions
Question
1)
The following is a valid interface definition in Java
public interface Shape {
default public double getArea();
public double getPerimeter()
}
Select one:
True
False
2)
You can use the following method header to override the equals method in Object class:
protected equals(Object obj)
Given that the class (wherein this method is defined) implements the Comparable interface
3)
Based on the below code:
Restaurant res=new Restaurant("Default Name");
Restaurant.Address add=res.new Address(new City());
The class city is:
Select one:
a.
A part-of Class Address
b.
An inner Class to Class Address
c.
An inner Class to Class Restaurant
d.
None of these
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