import java.util.Scanner; class Ship { private String shipName; private int yearBuilt; public Ship(String shipName, int yearBuilt) { this.shipName = shipName; this.yearBuilt = yearBuilt; } public String getShipName() { return shipName; } public void setShipName(String shipName) { this.shipName = shipName; } public int getYearBuilt() { return yearBuilt; } public void setYearBuilt(int yearBuilt) { this.yearBuilt = yearBuilt; } } class CruiseShip extends Ship { private int maxPassengers; public CruiseShip(String shipName, int yearBuilt, int maxPassengers) { super(shipName, yearBuilt); this.maxPassengers = maxPassengers; } public int getMaxPassengers() { return maxPassengers; } public void setMaxPassengers(int maxPassengers) { this.maxPassengers = maxPassengers; } public double calculateIndividualCost() { if (maxPassengers >= 1000) { return 500.0; } else if (maxPassengers >= 500) { return 750.0; } else { return 1000.0; } } } public class ShipTester { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); System.out.print("Enter ship name: "); String shipName = scanner.nextLine(); System.out.print("Enter year built: "); int yearBuilt = scanner.nextInt(); System.out.print("Enter max number of passengers: "); int maxPassengers = scanner.nextInt(); CruiseShip cruiseShip = new CruiseShip(shipName, yearBuilt, maxPassengers); System.out.println("\nShip Information:"); System.out.println("Ship Name: " + cruiseShip.getShipName()); System.out.println("Year Built: " + cruiseShip.getYearBuilt()); System.out.println("Max Passengers: " + cruiseShip.getMaxPassengers()); double individualCost = cruiseShip.calculateIndividualCost(); System.out.println("Individual Cost: $" + individualCost); scanner.close(); } }

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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Question

JAVA

I have an error on this code saying “error: class, interface, or enum expected ShipTester”

Can you help determine the problem?

java
import java.util.Scanner;

class Ship {
private String shipName;
private int yearBuilt;

public Ship(String shipName, int yearBuilt) {
this.shipName = shipName;
this.yearBuilt = yearBuilt;
}

public String getShipName() {
return shipName;
}

public void setShipName(String shipName) {
this.shipName = shipName;
}

public int getYearBuilt() {
return yearBuilt;
}

public void setYearBuilt(int yearBuilt) {
this.yearBuilt = yearBuilt;
}
}

class CruiseShip extends Ship {
private int maxPassengers;

public CruiseShip(String shipName, int yearBuilt, int maxPassengers) {
super(shipName, yearBuilt);
this.maxPassengers = maxPassengers;
}

public int getMaxPassengers() {
return maxPassengers;
}

public void setMaxPassengers(int maxPassengers) {
this.maxPassengers = maxPassengers;
}

public double calculateIndividualCost() {
if (maxPassengers >= 1000) {
return 500.0;
} else if (maxPassengers >= 500) {
return 750.0;
} else {
return 1000.0;
}
}
}

public class ShipTester {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);

System.out.print("Enter ship name: ");
String shipName = scanner.nextLine();

System.out.print("Enter year built: ");
int yearBuilt = scanner.nextInt();

System.out.print("Enter max number of passengers: ");
int maxPassengers = scanner.nextInt();

CruiseShip cruiseShip = new CruiseShip(shipName, yearBuilt, maxPassengers);

System.out.println("\nShip Information:");
System.out.println("Ship Name: " + cruiseShip.getShipName());
System.out.println("Year Built: " + cruiseShip.getYearBuilt());
System.out.println("Max Passengers: " + cruiseShip.getMaxPassengers());

double individualCost = cruiseShip.calculateIndividualCost();
System.out.println("Individual Cost: $" + individualCost);

scanner.close();
}
}

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