ItemSorter

• Objective - To implement an ItemSorter which returns an array of Item objects sorted by the respective field.
• Purpose - To establish familiarity with:
  • Interfaces
  • Comparator<T>

Part 1 - Create method definitions for class Item

• Write method definitions for Item class.
• Ensure 100% success rate of each test class in test.rocks.zipcode.io.item

Part 2 - Implement Comparator interface

• Implement Comparator interface for each class in the package src.rocks.zipcode.io.comparators.
  • Ensure the Comparator is parameterized with type Item
• Write method definitions for each Comparator.
• Ensure 100% success rate of each test class in test.rocks.zipcode.io.comparators.

Part 3 - Create method definitions for class ItemSorter

• Write method definitions for ItemSorter
• Ensure 100% success rate of each test class in test.rocks.zipcode.io.itemsorter.

Part 4 - Write test cases for sorting by price

• Using SortByIdTest and SortByNameTest as example classes, write test at least 3 cases for SortByPriceTest.
• Verify with classmates that your tests are comprehensive, and covering the correct aspect of the program.