Answered: in java please do not use private data…

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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Cat Class Algorithm (`Cat.java`):

Define the Cat class with the following properties:
- name (String)
- age (int)
- color (String)
- type (String)
Add a static variable numberOfCats (int) to keep track of the number of cats.
Create two constructors for the Cat class:
- Constructor 1: Accepts name, age, color, and type as parameters.
- Constructor 2: Accepts name and age as parameters and sets default values for color and type.
Implement the eat method:
- Print a message indicating that the cat is eating.
Implement the play method:
- Print a message indicating that the cat is playing.
Implement a static method getNumberOfCats:
- Returns the value of the numberOfCats variable.

TestCat Class Algorithm (`TestCat.java`):

Define the TestCat class.
In the main method:
- Create two instances of the Cat class using different constructors:
  - Create cat1 with name "Whiskers," age 3, color "White," and type "Domestic."
  - Create cat2 with name "Smokey" and age 2 (default color and type).
Call the eat method on cat1 to simulate the cat eating.
Call the play method on cat2 to simulate the cat playing.
Get the number of cats using the static method getNumberOfCats and store it in a variable numberOfCats.
Print the number of cats.

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