Q7: Listed next is the skeleton for a class named InventoryItem. Each inventory item has a name and a unique ID number: class InventoryItem { private String name; private int uniqueItemID; Flesh out the class with appropriate accessors, constructors, and mutatators. The uniqueltemID 's are assigned by your store and can be set from outside the InventoryItem class-your code does not have to ensure that they are unique. Next, modify the class so that it implements the Comparable interface. The compareTo() method should compare the uniqueltemID's; e.g., the InventoryItem with item ID 5 is less than the InventoryItem with ID 10. Test your class by creating an array of sample InventoryItem 's and sort them using a sorting method that takes as input an array of type Comparable.
Q7: Listed next is the skeleton for a class named InventoryItem. Each inventory item has a name and a unique ID number: class InventoryItem { private String name; private int uniqueItemID; Flesh out the class with appropriate accessors, constructors, and mutatators. The uniqueltemID 's are assigned by your store and can be set from outside the InventoryItem class-your code does not have to ensure that they are unique. Next, modify the class so that it implements the Comparable interface. The compareTo() method should compare the uniqueltemID's; e.g., the InventoryItem with item ID 5 is less than the InventoryItem with ID 10. Test your class by creating an array of sample InventoryItem 's and sort them using a sorting method that takes as input an array of type Comparable.
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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Transcribed Image Text:Q7: Listed next is the skeleton for a class named InventoryItem. Each inventory item has a
name and a unique ID number:
class InventoryItem
{
private String name;
private int uniqueItemID;
}
Flesh out the class with appropriate accessors, constructors, and mutatators. The
uniqueltemID 's are assigned by your store and can be set from outside the InventoryItem
class-your code does not have to ensure that they are unique. Next, modify the class so
that it implements the Comparable interface. The compareTo( method should compare the
uniqueltemID's; e.g., the InventoryItem with item ID 5 is less than the InventoryItem with
ID 10. Test your class by creating an array of sample InventoryItem 's and sort them using
a sorting method that takes as input an array of type Comparable.
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