The following hierarchy of inheritance is given: class Building { int roomlio; int bathNo; public Building() { roomlio = e; bathNo = e; public Building(int room, int bath) { roomlio - room; bathNo - bath; eoverride public String toString() { return roomNo + "\t" + bathNo;
The following hierarchy of inheritance is given: class Building { int roomlio; int bathNo; public Building() { roomlio = e; bathNo = e; public Building(int room, int bath) { roomlio - room; bathNo - bath; eoverride public String toString() { return roomNo + "\t" + bathNo;
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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Question
JAVA language..
Transcribed Image Text:The following hierarchy of inheritance is given:
class Building {
int roomNo;
int bathNo;
public Building() {
roomNo = e;
bathNo = e;
public Building(int room, int bath) {
roomNo = room;
bathNo - bath;
eOverride
public String toString() {
return roomNo + "\t" + bathNo;
class Residential extends Building{
}
class Commercial extends Building{
double commonSpaceArea;
public Commercial(int room, int bath, double area) {
super(room, bath);
commonSpaceArea = area;
public String toString() {
return roomNo + "\t" + bathNo + "\t"+ commonSpaceArea;
class Townhouse extends Residential {
int houseInRow;
public Townhouse(int room, int bath, int houseNo) {
roomNo - room;
bathNo = bath;
houseInRow - houselo;
public String toString() {
return roomNo + "\t" + bathNo + "\t"+ houseInRow;
}
class Detached extends Residential {
Transcribed Image Text:what will be the output of the following code?
Object obji = new Building(2, 2);
Building obj2 = new Building(4, 3);
Building obj3 = new Residential();
Building obj4 = new Commercial(10, 2, 80.e);
Building objs = new Townhouse(5, 1, 6);
Building obj6 = new Detached();
Residential obj7 = new Residential();
Residential obj8 - new Townhouse(5, 1, 6);
Residential obj9 - new Detached();
Object obj1e = new Townhouse (3, 2, 5);
System.out. println(obji1);
System.out.println(obj2);
System.out.println(obj3);
System.out.println(obj4);
System.out.println(obj5);
System.out. println(obj6);
System.out.println(obj7);
System.out.println(obj8);
System.out.println(obj9);
System.out.println(obj1@);
A-
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I
X2
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