Java Program There is a company who known for its courier service. They have service namely Basic, TwoDayPackage and OvernightPackage. Create a base class Package has the following:  It has three attributes type Person sender, Person receiver, int weight Encapsulate the fields Override toString and Equals of the Object class Define calculateCost with a return type of double as abstract Create the following constructors - default constructor - constructor that accepts attribute sender, receiver, and weight - constructor that accepts two name, two address, two phone numbers and weight NOTE:  Person has the following attributes: String name, String address, and String phone number

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
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Chapter1: Computer Networks And The Internet
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Java Program

There is a company who known for its courier service. They have service namely Basic, TwoDayPackage and OvernightPackage.
Create a base class Package has the following: 

  • It has three attributes type Person sender, Person receiver, int weight
  • Encapsulate the fields
  • Override toString and Equals of the Object class
  • Define calculateCost with a return type of double as abstract
  • Create the following constructors
    - default constructor
    - constructor that accepts attribute sender, receiver, and weight
    - constructor that accepts two name, two address, two phone numbers and weight

NOTE: 
Person has the following attributes: String name, String address, and String phone number

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