Question 7 (a) Suppose the class Spaghetti implements the Edible interface and the base class of…

Question 7

(a) Suppose the class Spaghetti implements the Edible interface and the base class of Spaghetti is Food class. You have given the following variables declaration:
Food food;
Spaghetti spa = new Spaghetti();
Edible e = null;
Identify the following statements as valid or invalid.
i. ) e=spa;
ii.) spa = food;
iii.) spa = newFood():
iv.) food = (Spaghetti) e:
v.) e = new Spaghetti():

(b) Given the following class:
class Pet {
String name ;
Pet(String n) {
name = n;
}
//getter & setter method
}

Create a class called Owner with the following details:
1. An owner name as a string type.
2. An object of Pet type.
3. A constructor to accept the owner’s name and pet’s name.
4. A getter method for the pet object.
5. Override the to string method to print out both names.
6. Override the equals method to check the equality of the owner’s name and pet’s name.
7. Pass a parameter as Owner type in this method.

(c) Based on the owner and Pet classes. Write a fragment of code to instantiate an Owner object with any names. Then, change the pet name to ‘Blacky’.

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