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[POO] aula09 added

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TiagoRG 2023-05-02 11:20:41 +01:00
parent 87d82c4e6d
commit 8cb4a02a0d
7 changed files with 458 additions and 0 deletions
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42
1ano/2semestre/poo/src/aula09/ex1/ALDemo.java Normal file
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package aula09.ex1;
import aula06.ex1.Person;
import utils.DateYMD;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;
public class ALDemo {
public static void main(String[] args) {
ArrayList<Integer> c1= new ArrayList<>();
for(int i= 10; i<= 100; i+=10) c1.add(i);System.out.println("Size: "+ c1.size());
for(int i= 0; i< c1.size(); i++)
System.out.println("Elemento: "+ c1.get(i));
ArrayList<String> c2= new ArrayList<>();
c2.add("Vento");
c2.add("Calor");
c2.add("Frio");
c2.add("Chuva");
System.out.println(c2);
Collections.sort(c2);
System.out.println(c2);
c2.remove("Frio");
c2.remove(0);
System.out.println(c2);
Set<Person> c3 = new HashSet<>();
c3.add(new Person("Ana", 12345678, new DateYMD(1, 1, 2000)));
c3.add(new Person("Joao", 42342289, new DateYMD(1, 1, 2000)));
c3.add(new Person("Maria", 12346789, new DateYMD(1, 1, 2000)));
c3.add(new Person("Marco", 12356789, new DateYMD(1, 1, 2000)));
c3.add(new Person("Ana", 12346789, new DateYMD(1, 1, 2000)));
for (Person p : c3) {
System.out.println(p);
}
}
}

46
1ano/2semestre/poo/src/aula09/ex2/CollectionTester.java Normal file
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package aula09.ex2;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
public class CollectionTester {
public static void main(String[] args) {
int DIM= 5000;
Collection<Integer> col= new ArrayList<>();
checkPerformance(col, DIM);
}
private static void checkPerformance(Collection<Integer> col, int DIM) {
double start, stop, delta;
// Add
start = System.nanoTime(); // clock snapshot before
for(int i=0; i<DIM; i++)
col.add(i);
stop = System.nanoTime(); // clock snapshot after
delta = (stop-start)/1e6; // convert to milliseconds
System.out.println(col.size()+ ": Add to "+col.getClass().getSimpleName() +" took "+ delta+ "ms");
// Search
start = System.nanoTime(); // clock snapshot before
for(int i=0; i<DIM; i++) {
int n = (int) (Math.random()*DIM);
if(!col.contains(n))
System.out.println("Not found???"+n);
}
stop = System.nanoTime(); // clock snapshot after
delta = (stop-start)/1e6; // convert nanoseconds to milliseconds
System.out.println(col.size()+ ": Search to "+ col.getClass().getSimpleName() +" took "+ delta+ "ms");
// Remove
start = System.nanoTime(); // clock snapshot before
Iterator<Integer> iterator = col.iterator();
while(iterator.hasNext()) {
iterator.next();
iterator.remove();
}
stop = System.nanoTime(); // clock snapshot after
delta = (stop-start)/1e6; // convert nanoseconds to milliseconds
System.out.println(col.size() + ": Remove from "+ col.getClass().getSimpleName() +" took "+ delta+ "ms");
}
}

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1ano/2semestre/poo/src/aula09/ex3/CommercialPlane.java Normal file
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package aula09.ex3;
import java.util.Objects;
public class CommercialPlane extends Plane {
private int numOfCrewMembers;
public CommercialPlane(String id, String manufacturer, String model, int year, int maxNumOfPassengers, double maxSpeed, int numOfCrewMembers) {
super(id, manufacturer, model, year, maxNumOfPassengers, maxSpeed);
this.numOfCrewMembers = numOfCrewMembers;
}
public int getNumOfCrewMembers() {
return this.numOfCrewMembers;
}
public void setNumOfCrewMembers(int numOfCrewMembers) {
this.numOfCrewMembers = numOfCrewMembers;
}
public String getPlaneType() {
return "Commercial";
}
@Override
public String toString() {
return "CommercialPlane {" +
"\n\tid='" + super.getId() + '\'' +
",\n\tmanufacturer='" + super.getManufacturer() + '\'' +
",\n\tmodel='" + super.getModel() + '\'' +
",\n\tproductionYear=" + super.getProductionYear() +
",\n\tmaxPassengers=" + super.getMaxPassengers() +
",\n\tmaxSpeed=" + super.getMaxSpeed() +
",\n\tnumOfCrewMembers=" + this.getNumOfCrewMembers() +
",\n}";
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (!(o instanceof CommercialPlane plane)) return false;
if (!super.equals(o)) return false;
return this.getNumOfCrewMembers() == plane.getNumOfCrewMembers();
}
@Override
public int hashCode() {
return Objects.hash(super.hashCode(), this.getNumOfCrewMembers());
}
}

50
1ano/2semestre/poo/src/aula09/ex3/MilitaryPlane.java Normal file
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package aula09.ex3;
import java.util.Objects;
public class MilitaryPlane extends Plane {
private int numMissiles;
public MilitaryPlane(String id, String manufacturer, String model, int year, int maxPassengers, double maxSpeed, int numMissiles) {
super(id, manufacturer, model, year, maxPassengers, maxSpeed);
this.numMissiles = numMissiles;
}
public int getNumMissiles() {
return this.numMissiles;
}
public void setNumMissiles(int numMissiles) {
this.numMissiles = numMissiles;
}
public String getPlaneType() {
return "Military";
}
@Override
public String toString() {
return "MilitaryPlane {" +
"\n\tid='" + super.getId() + '\'' +
",\n\tmanufacturer='" + super.getManufacturer() + '\'' +
",\n\tmodel='" + super.getModel() + '\'' +
",\n\tproductionYear=" + super.getProductionYear() +
",\n\tmaxPassengers=" + super.getMaxPassengers() +
",\n\tmaxSpeed=" + super.getMaxSpeed() +
",\n\tnumMissiles=" + this.getNumMissiles() +
",\n}";
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (!(o instanceof MilitaryPlane plane)) return false;
if (!super.equals(o)) return false;
return this.getNumMissiles() == plane.getNumMissiles();
}
@Override
public int hashCode() {
return Objects.hash(super.hashCode(), this.getNumMissiles());
}
}

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1ano/2semestre/poo/src/aula09/ex3/Plane.java Normal file
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package aula09.ex3;
import java.util.Objects;
public class Plane {
private final String id;
private String manufacturer;
private String model;
private int productionYear;
private int maxPassengers;
private double maxSpeed;
public Plane(String id, String manufacturer, String model, int productionYear, int maxPassengers, double maxSpeed) {
this.id = id;
this.manufacturer = manufacturer;
this.model = model;
this.productionYear = productionYear;
this.maxPassengers = maxPassengers;
this.maxSpeed = maxSpeed;
}
public String getId() {
return id;
}
public String getManufacturer() {
return manufacturer;
}
public void setManufacturer(String manufacturer) {
this.manufacturer = manufacturer;
}
public String getModel() {
return model;
}
public void setModel(String model) {
this.model = model;
}
public int getProductionYear() {
return productionYear;
}
public void setProductionYear(int productionYear) {
this.productionYear = productionYear;
}
public int getMaxPassengers() {
return maxPassengers;
}
public void setMaxPassengers(int maxPassengers) {
this.maxPassengers = maxPassengers;
}
public double getMaxSpeed() {
return maxSpeed;
}
public void setMaxSpeed(double maxSpeed) {
this.maxSpeed = maxSpeed;
}
@Override
public String toString() {
return "Plane {" +
"\n\tid='" + id + '\'' +
",\n\tmanufacturer='" + manufacturer + '\'' +
",\n\tmodel='" + model + '\'' +
",\n\tproductionYear=" + productionYear +
",\n\tmaxPassengers=" + maxPassengers +
",\n\tmaxSpeed=" + maxSpeed +
",\n}";
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (!(o instanceof Plane plane)) return false;
return this.getProductionYear() == plane.getProductionYear() && this.getMaxPassengers() == plane.getMaxPassengers() && Double.compare(plane.getMaxSpeed(), this.getMaxSpeed()) == 0 && Objects.equals(this.getId(), plane.getId()) && Objects.equals(this.getManufacturer(), plane.getManufacturer()) && Objects.equals(this.getModel(), plane.getModel());
}
@Override
public int hashCode() {
return Objects.hash(this.getId(), this.getManufacturer(), this.getModel(), this.getProductionYear(), this.getMaxPassengers(), this.getMaxSpeed());
}
}

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1ano/2semestre/poo/src/aula09/ex3/PlaneManager.java Normal file
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package aula09.ex3;
import java.util.*;
public class PlaneManager {
private final LinkedList<Plane> planes = new LinkedList<>();
public void addPlane(Plane plane) {
planes.add(plane);
}
public void removePlane(String id) {
for (Plane plane : planes) {
if (plane.getId().equals(id)) {
planes.remove(plane);
return;
}
}
}
public Plane searchPlane(String id) {
for (Plane plane : planes) {
if (plane.getId().equals(id)) {
return plane;
}
}
return null;
}
public LinkedList<Plane> getCommercialPlanes() {
LinkedList<Plane> commercialPlanes = new LinkedList<>();
for (Plane plane : planes) {
if (plane instanceof CommercialPlane) {
commercialPlanes.add(plane);
}
}
return commercialPlanes;
}
public LinkedList<Plane> getMilitaryPlanes() {
LinkedList<Plane> militaryPlanes = new LinkedList<>();
for (Plane plane : planes) {
if (plane instanceof MilitaryPlane) {
militaryPlanes.add(plane);
}
}
return militaryPlanes;
}
public Plane getFastestPlane() {
Plane fastestPlane = null;
for (Plane plane : planes) {
if (fastestPlane == null || plane.getMaxSpeed() > fastestPlane.getMaxSpeed()) {
fastestPlane = plane;
}
}
return fastestPlane;
}
public void printAllPlanes() {
for (Plane plane : planes) {
System.out.println(plane);
}
}
public void printAllPlanes(String type) {
for (Plane plane : planes) {
if (plane instanceof CommercialPlane && type.equals("commercial")) {
System.out.println(plane);
}
else if (plane instanceof MilitaryPlane && type.equals("military")) {
System.out.println(plane);
}
}
}
}

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1ano/2semestre/poo/src/aula09/ex3/PlaneTester.java Normal file
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package aula09.ex3;
import java.util.Scanner;
public class PlaneTester {
public static void main(String[] args) {
PlaneManager planeManager = new PlaneManager();
Scanner scanner = new Scanner(System.in);
int choice;
do {
System.out.println("\nPlane Fleet Menu:");
System.out.println("1. Add a plane to the fleet");
System.out.println("2. Remove a plane from the fleet");
System.out.println("3. Search for a plane");
System.out.println("4. Print summary of all planes in the fleet");
System.out.println("5. Print list of all commercial planes in the fleet");
System.out.println("6. Print list of all military planes in the fleet");
System.out.println("7. Print the fastest plane in the fleet");
System.out.println("0. Exit");
System.out.print("Enter your choice: ");
choice = Integer.parseInt(scanner.nextLine());
switch (choice) {
case 1 -> addPlane(planeManager, scanner);
case 2 -> removePlane(planeManager, scanner);
case 3 -> searchPlane(planeManager, scanner);
case 4 -> printAllPlanes(planeManager);
case 5 -> printCommercialPlanes(planeManager);
case 6 -> printMilitaryPlanes(planeManager);
case 7 -> printFastestPlane(planeManager);
case 0 -> System.out.println("Exiting program...");
default -> System.out.println("Invalid choice. Please try again.");
}
} while (choice != 0);
scanner.close();
}
private static void addPlane(PlaneManager planeManager, Scanner scanner) {
System.out.print("Enter the plane's ID: ");
String id = scanner.nextLine();
System.out.print("Enter the plane's manufacturer: ");
String manufacturer = scanner.nextLine();
System.out.print("Enter the plane's model: ");
String model = scanner.nextLine();
System.out.print("Enter the plane's year of manufacture: ");
int year = Integer.parseInt(scanner.nextLine());
System.out.print("Enter the plane's passenger count: ");
int passengerCount = Integer.parseInt(scanner.nextLine());
System.out.print("Enter the plane's maximum speed: ");
int maxSpeed = Integer.parseInt(scanner.nextLine());
System.out.print("Enter the plane's type (commercial/military): ");
String type = scanner.nextLine();
if (type.equals("commercial")) {
System.out.print("Enter the plane's crew members count: ");
int crewMembersCount = Integer.parseInt(scanner.nextLine());
planeManager.addPlane(new CommercialPlane(id, manufacturer, model, year, passengerCount, maxSpeed, crewMembersCount));
}
else if (type.equals("military")) {
System.out.print("Enter the plane's missile count: ");
int missileCount = Integer.parseInt(scanner.nextLine());
planeManager.addPlane(new MilitaryPlane(id, manufacturer, model, year, passengerCount, maxSpeed, missileCount));
}
}
private static void removePlane(PlaneManager planeManager, Scanner scanner) {
System.out.print("Enter the plane's ID: ");
String id = scanner.nextLine();
if (planeManager.searchPlane(id) == null) {
System.out.println("Plane not found.");
return;
}
planeManager.removePlane(id);
}
private static void searchPlane(PlaneManager planeManager, Scanner scanner) {
System.out.print("Enter the plane's ID: ");
String id = scanner.nextLine();
Plane plane = planeManager.searchPlane(id);
if (plane == null) {
System.out.println("Plane not found.");
return;
}
System.out.println(plane);
}
private static void printAllPlanes(PlaneManager planeManager) {
planeManager.printAllPlanes();
}
private static void printCommercialPlanes(PlaneManager planeManager) {
planeManager.printAllPlanes("commercial");
}
private static void printMilitaryPlanes(PlaneManager planeManager) {
planeManager.printAllPlanes("military");
}
private static void printFastestPlane(PlaneManager planeManager) {
System.out.print(planeManager.getFastestPlane());
}
}