IN JAVA. Any help is appreciated! Thank you!   PART 1 : Automobiles Create a data class named Automobile that implements the Comparable interface. Give the class data fields for make, model, year, and price. Then add a constructor, all getters, a toString method that shows all attribute values, and implement Comparable by using the year as the criterion for comparing instances. Write a program named TestAutos that creates an ArrayList of five or six Automobiles. Use a for loop to display the elements in the ArrayList. Sort the Arraylist of autos by year with Collections.sort(). Finally, use a foreach loop to display the ArrayList sorted by year

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
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IN JAVA.

Any help is appreciated! Thank you!

 

PART 1 : Automobiles

Create a data class named Automobile that implements the Comparable interface. Give the class data fields for make, model, year, and price. Then add a constructor, all getters, a toString method that shows all attribute values, and implement Comparable by using the year as the criterion for comparing instances.

Write a program named TestAutos that creates an ArrayList of five or six Automobiles. Use a for loop to display the elements in the ArrayList. Sort the Arraylist of autos by year with Collections.sort(). Finally, use a foreach loop to display the ArrayList sorted by year.

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PART 2: Pets

Examine carefully the UML class diagram below:

NOTE:  Class Reptile was missing a toString() method. It has now been added.

  • class Pet has an attribute of type java.util.Date.
  • no specific dates are required for this attribute.
  • compareTo(Dog) compares Dogs by weight.

Create executable class TestPet as follows:

  • create at least one Reptile pet and display it
  • create an array of at least four Dog pets
  • sort the array of Dogs by weight
  • use a foreach loop to fully display all data for all dogs sorted by weight (see sample output)
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