You must modify the class Owner provided below, so that objects of this class can hold objects of both classes Dog and Cat in their array. Note you must also modify the methods add and getPet accordingly.

You must modify the class Owner provided below, so that objects of this class can hold objects of both classes Dog and Cat in their array. Note you must also modify the methods add and getPet accordingly.

Microsoft Visual C#

7th Edition

ISBN:9781337102100

Author:Joyce, Farrell.

Publisher:Joyce, Farrell.

Chapter10: Introduction To Inheritance

Section: Chapter Questions

Problem 20RQ

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Concept explainers

Passing Array as Argument

An array is a data structure that holds only fixed-size data and its contents are arranged in contiguous memory slots. The primary purpose of using an array is to store data items of the identical type together. An array can stockpile any one of the following types of data: int, float, char and so forth. The elements are stored from index 0, and the difference between the two indexes of the array is termed as an offset. The array has a fixed size. Once the size is defined during array declaration, it cannot be changed later.

Question

Your are given the following classes:
public abstract class Animal{
public abstract void talk();
}
public class Dog extends Animal{
public void talk(){
System.out.println ("Woof");
}
}
public class Cat extends Animal{
public void talk(){
System.out.println ("Meow");
}
}
You must modify the class Owner provided below, so that objects of this class can hold objects of both classes Dog and Cat in their array.
Note you must also modify the methods add and getPet accordingly.
Answer: (penalty regime: 0 %)
Reset answer
public class Owner{
private Dog[] dogs;
private int numDogs=0;
3
4
public Owner(){
dogs = new Dog[5];
}
6.
7
8
public void add(Dog a){
dogs[numDogs] = a;
numDogs++;
}
9
10
11
12
13
public Dog getPet (int index){
return dogs[index];
}
14
15
16
17 }

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