Implement a JAVA application that keeps track of package deliveries to consumers. The application consists of the following classes: • Item: Create a class called Item. The class has two member variables of type String named name and description and provides getter and setter methods for both. • Mail (abstract class): Implement an abstract class called Mail . The class has a member variable of type String named address and a getter method for it. • Letter: Implement a class called Letter that inherits from Mail . The class has one member variable of type String named contents. • Package: Implement a class called Package that inherits from Mail . The class has one member variable of type Item[] named items and a getter method for it. • DeliveryTruck: Implement a class called DeliveryTruck with a single member variable of type Mail[] of length 10. Add the following method: o void load(Mail mail): This method stores the given mail argument at the next available spot in the member variable.
Implement a JAVA application that keeps track of package deliveries to consumers. The application consists of the following classes: • Item: Create a class called Item. The class has two member variables of type String named name and description and provides getter and setter methods for both. • Mail (abstract class): Implement an abstract class called Mail . The class has a member variable of type String named address and a getter method for it. • Letter: Implement a class called Letter that inherits from Mail . The class has one member variable of type String named contents. • Package: Implement a class called Package that inherits from Mail . The class has one member variable of type Item[] named items and a getter method for it. • DeliveryTruck: Implement a class called DeliveryTruck with a single member variable of type Mail[] of length 10. Add the following method: o void load(Mail mail): This method stores the given mail argument at the next available spot in the member variable.
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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Implement a JAVA application that keeps track of package deliveries to consumers. The
application consists of the following classes:
• Item: Create a class called Item. The class has two member variables of
type String named name and description and provides getter and setter
methods for both.
• Mail (abstract class): Implement an abstract class called Mail . The class has
a member variable of type String named address and a getter method for it.
• Letter: Implement a class called Letter that inherits from Mail . The class
has one member variable of type String named contents.
• Package: Implement a class called Package that inherits from Mail . The
class has one member variable of type Item[] named items and a getter
method for it.
• DeliveryTruck: Implement a class called DeliveryTruck with a single
member variable of type Mail[] of length 10. Add the following method:
o void load(Mail mail): This method stores the given mail argument
at the next available spot in the member variable.
application consists of the following classes:
• Item: Create a class called Item. The class has two member variables of
type String named name and description and provides getter and setter
methods for both.
• Mail (abstract class): Implement an abstract class called Mail . The class has
a member variable of type String named address and a getter method for it.
• Letter: Implement a class called Letter that inherits from Mail . The class
has one member variable of type String named contents.
• Package: Implement a class called Package that inherits from Mail . The
class has one member variable of type Item[] named items and a getter
method for it.
• DeliveryTruck: Implement a class called DeliveryTruck with a single
member variable of type Mail[] of length 10. Add the following method:
o void load(Mail mail): This method stores the given mail argument
at the next available spot in the member variable.
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