For this question, use the class shown below: public abstract class vehicle { protected double speedMPH; protected double hoursTraveled; } abstract boolean travel (double time); public double getDistanceTraveled() { return speed * hours Traveled; } Define a subclass of the Vehicle class called Train. Train needs to contain the following members: • A new variable called maxCargo, an integer representing the tonnage the train is capable of carrying. • A constructor that takes two parameters, speed and cargoLimit, and sets the speedMPH and maxCargo variables accordingly (hoursTraveled should be set to 0). • A constructor that takes no parameters. In this constructor, set speedMPH to 30, maxCargo to 50, and hoursTraveled to 0. Override the travel method to represent the time the train spends

For this question, use the class shown below: public abstract class vehicle { protected double speedMPH; protected double hoursTraveled; } abstract boolean travel (double time); public double getDistanceTraveled() { return speed * hours Traveled; } Define a subclass of the Vehicle class called Train. Train needs to contain the following members: • A new variable called maxCargo, an integer representing the tonnage the train is capable of carrying. • A constructor that takes two parameters, speed and cargoLimit, and sets the speedMPH and maxCargo variables accordingly (hoursTraveled should be set to 0). • A constructor that takes no parameters. In this constructor, set speedMPH to 30, maxCargo to 50, and hoursTraveled to 0. Override the travel method to represent the time the train spends

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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