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• A constructor that creates a cruise ship with the specified name, the specified year that the ship was built, and the specified passenger capacity. Appropriate getter and setter methods. • A toString method that overrides the toString method in the base class and returns a string containing the class name Cruiseship, the ship's name and passenger capacity. Use @Override to ensure you override the method. Design a CargoShip class that extends the Ship class. The Cargo Ship class should have the following members: A private int data field named tonnage for the cargo capacity. • A constructor that creates a cargo ship with the specified name, the specified year that the ship was built, and the specified tonnage. • Appropriate getter and setter methods. • A toString method that overrides the toString method in the base class and returns a string containing the class name CargoShip, the ship's name and cargo capacity. Use @Override to ensure you override the method. Write a test program (name the class as Test Ships) to verify your Ship, CruiseShip, and CargoShip classes. The test program has a Ship array of size 3, named ships. Assign various Ship, Cruise Ship, and CargoShip objects to the array elements. Make sure your array elements contains objects from all the three classes. The program then steps through the array and print each object. A sample run is as follows You should have four source files: Shin iava CruiseShin java CargoShin iava and Test Shins java

• A constructor that creates a cruise ship with the specified name, the specified year that the ship was built, and the specified passenger capacity. Appropriate getter and setter methods. • A toString method that overrides the toString method in the base class and returns a string containing the class name Cruiseship, the ship's name and passenger capacity. Use @Override to ensure you override the method. Design a CargoShip class that extends the Ship class. The Cargo Ship class should have the following members: A private int data field named tonnage for the cargo capacity. • A constructor that creates a cargo ship with the specified name, the specified year that the ship was built, and the specified tonnage. • Appropriate getter and setter methods. • A toString method that overrides the toString method in the base class and returns a string containing the class name CargoShip, the ship's name and cargo capacity. Use @Override to ensure you override the method. Write a test program (name the class as Test Ships) to verify your Ship, CruiseShip, and CargoShip classes. The test program has a Ship array of size 3, named ships. Assign various Ship, Cruise Ship, and CargoShip objects to the array elements. Make sure your array elements contains objects from all the three classes. The program then steps through the array and print each object. A sample run is as follows You should have four source files: Shin iava CruiseShin java CargoShin iava and Test Shins java

Database System Concepts
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
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Write the code in java and please dont plagarise or copy from other sources write it on your own and read the question carefully and do what in the question says thank you. 

3. Inheritance and Polymorphism Design a Ship class that has the following members: • A private String data field named name for the name of the ship. • A private String data field named yearBuilt for the year that the ship was built. • A constructor that creates a ship with the specified name and the specified year that the ship was built. • Appropriate getter and setter methods. • A toString method that overrides the toString method in the Object class and returns a string containing the class name Ship, the ship's name and the year it was built. Use @Override to ensure you override the method. Design a Cruise Ship class that extends the Ship class. The Cruise Ship class should have the following members: • A private int data field named passengerCapacity for the maximum number of passengers.
Transcribed Image Text:3. Inheritance and Polymorphism Design a Ship class that has the following members: • A private String data field named name for the name of the ship. • A private String data field named yearBuilt for the year that the ship was built. • A constructor that creates a ship with the specified name and the specified year that the ship was built. • Appropriate getter and setter methods. • A toString method that overrides the toString method in the Object class and returns a string containing the class name Ship, the ship's name and the year it was built. Use @Override to ensure you override the method. Design a Cruise Ship class that extends the Ship class. The Cruise Ship class should have the following members: • A private int data field named passengerCapacity for the maximum number of passengers.
• A constructor that creates a cruise ship with the specified name, the specified year that the ship was built, and the specified passenger capacity. • Appropriate getter and setter methods. • A toString method that overrides the toString method in the base class and returns a string containing the class name Cruiseship, the ship's name and passenger capacity. Use @Override to ensure you override the method. Design a CargoShip class that extends the Ship class. The CargoShip class should have the following members: • A private int data field named tonnage for the cargo capacity. • A constructor that creates a cargo ship with the specified name, the specified year that the ship was built, and the specified tonnage. Appropriate getter and setter methods. • A toString method that overrides the toString method in the base class and returns a string containing the class name CargoShip, the ship's name and cargo capacity. Use @Override to ensure you override the method. Write a test program (name the class as Test Ships) to verify your Ship, CruiseShip, and CargoShip classes. The test program has a Ship array of size 3, named ships. Assign various Ship, CruiseShip, and CargoShip objects to the array elements. Make sure your array elements contains objects from all the three classes. The program then steps through the array and print each object. A sample run is as follows. You should have four source files: Ship.java, CruiseShip.java, CargoShip.java, and TestShips.java. Ship Name: Lolipop Year Built: 1960 CruiseShip Name: Disney Magic Passenger Capacity: 2400 persons CargoShip Name: Black Pearl Cargo Capacity: 50000 tons
Transcribed Image Text:• A constructor that creates a cruise ship with the specified name, the specified year that the ship was built, and the specified passenger capacity. • Appropriate getter and setter methods. • A toString method that overrides the toString method in the base class and returns a string containing the class name Cruiseship, the ship's name and passenger capacity. Use @Override to ensure you override the method. Design a CargoShip class that extends the Ship class. The CargoShip class should have the following members: • A private int data field named tonnage for the cargo capacity. • A constructor that creates a cargo ship with the specified name, the specified year that the ship was built, and the specified tonnage. Appropriate getter and setter methods. • A toString method that overrides the toString method in the base class and returns a string containing the class name CargoShip, the ship's name and cargo capacity. Use @Override to ensure you override the method. Write a test program (name the class as Test Ships) to verify your Ship, CruiseShip, and CargoShip classes. The test program has a Ship array of size 3, named ships. Assign various Ship, CruiseShip, and CargoShip objects to the array elements. Make sure your array elements contains objects from all the three classes. The program then steps through the array and print each object. A sample run is as follows. You should have four source files: Ship.java, CruiseShip.java, CargoShip.java, and TestShips.java. Ship Name: Lolipop Year Built: 1960 CruiseShip Name: Disney Magic Passenger Capacity: 2400 persons CargoShip Name: Black Pearl Cargo Capacity: 50000 tons
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