[POO] aula09 added
This commit is contained in:
TiagoRG
parent
87d82c4e6d
commit
8cb4a02a0d
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@ -0,0 +1,42 @@
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package aula09.ex1;
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import aula06.ex1.Person;
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import utils.DateYMD;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.HashSet;
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import java.util.Set;
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public class ALDemo {
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public static void main(String[] args) {
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ArrayList<Integer> c1= new ArrayList<>();
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for(int i= 10; i<= 100; i+=10) c1.add(i);System.out.println("Size: "+ c1.size());
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for(int i= 0; i< c1.size(); i++)
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System.out.println("Elemento: "+ c1.get(i));
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ArrayList<String> c2= new ArrayList<>();
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c2.add("Vento");
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c2.add("Calor");
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c2.add("Frio");
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c2.add("Chuva");
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System.out.println(c2);
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Collections.sort(c2);
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System.out.println(c2);
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c2.remove("Frio");
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c2.remove(0);
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System.out.println(c2);
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Set<Person> c3 = new HashSet<>();
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c3.add(new Person("Ana", 12345678, new DateYMD(1, 1, 2000)));
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c3.add(new Person("Joao", 42342289, new DateYMD(1, 1, 2000)));
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c3.add(new Person("Maria", 12346789, new DateYMD(1, 1, 2000)));
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c3.add(new Person("Marco", 12356789, new DateYMD(1, 1, 2000)));
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c3.add(new Person("Ana", 12346789, new DateYMD(1, 1, 2000)));
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for (Person p : c3) {
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System.out.println(p);
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}
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}
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}
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package aula09.ex2;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.Iterator;
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public class CollectionTester {
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public static void main(String[] args) {
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int DIM= 5000;
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Collection<Integer> col= new ArrayList<>();
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checkPerformance(col, DIM);
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}
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private static void checkPerformance(Collection<Integer> col, int DIM) {
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double start, stop, delta;
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// Add
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start = System.nanoTime(); // clock snapshot before
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for(int i=0; i<DIM; i++)
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col.add(i);
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stop = System.nanoTime(); // clock snapshot after
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delta = (stop-start)/1e6; // convert to milliseconds
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System.out.println(col.size()+ ": Add to "+col.getClass().getSimpleName() +" took "+ delta+ "ms");
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// Search
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start = System.nanoTime(); // clock snapshot before
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for(int i=0; i<DIM; i++) {
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int n = (int) (Math.random()*DIM);
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if(!col.contains(n))
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System.out.println("Not found???"+n);
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}
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stop = System.nanoTime(); // clock snapshot after
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delta = (stop-start)/1e6; // convert nanoseconds to milliseconds
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System.out.println(col.size()+ ": Search to "+ col.getClass().getSimpleName() +" took "+ delta+ "ms");
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// Remove
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start = System.nanoTime(); // clock snapshot before
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Iterator<Integer> iterator = col.iterator();
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while(iterator.hasNext()) {
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iterator.next();
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iterator.remove();
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}
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stop = System.nanoTime(); // clock snapshot after
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delta = (stop-start)/1e6; // convert nanoseconds to milliseconds
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System.out.println(col.size() + ": Remove from "+ col.getClass().getSimpleName() +" took "+ delta+ "ms");
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}
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}
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package aula09.ex3;
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import java.util.Objects;
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public class CommercialPlane extends Plane {
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private int numOfCrewMembers;
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public CommercialPlane(String id, String manufacturer, String model, int year, int maxNumOfPassengers, double maxSpeed, int numOfCrewMembers) {
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super(id, manufacturer, model, year, maxNumOfPassengers, maxSpeed);
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this.numOfCrewMembers = numOfCrewMembers;
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}
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public int getNumOfCrewMembers() {
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return this.numOfCrewMembers;
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}
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public void setNumOfCrewMembers(int numOfCrewMembers) {
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this.numOfCrewMembers = numOfCrewMembers;
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}
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public String getPlaneType() {
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return "Commercial";
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}
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@Override
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public String toString() {
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return "CommercialPlane {" +
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"\n\tid='" + super.getId() + '\'' +
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",\n\tmanufacturer='" + super.getManufacturer() + '\'' +
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",\n\tmodel='" + super.getModel() + '\'' +
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",\n\tproductionYear=" + super.getProductionYear() +
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",\n\tmaxPassengers=" + super.getMaxPassengers() +
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",\n\tmaxSpeed=" + super.getMaxSpeed() +
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",\n\tnumOfCrewMembers=" + this.getNumOfCrewMembers() +
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",\n}";
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}
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@Override
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public boolean equals(Object o) {
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if (this == o) return true;
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if (!(o instanceof CommercialPlane plane)) return false;
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if (!super.equals(o)) return false;
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return this.getNumOfCrewMembers() == plane.getNumOfCrewMembers();
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}
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@Override
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public int hashCode() {
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return Objects.hash(super.hashCode(), this.getNumOfCrewMembers());
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}
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}
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package aula09.ex3;
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import java.util.Objects;
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public class MilitaryPlane extends Plane {
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private int numMissiles;
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public MilitaryPlane(String id, String manufacturer, String model, int year, int maxPassengers, double maxSpeed, int numMissiles) {
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super(id, manufacturer, model, year, maxPassengers, maxSpeed);
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this.numMissiles = numMissiles;
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}
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public int getNumMissiles() {
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return this.numMissiles;
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}
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public void setNumMissiles(int numMissiles) {
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this.numMissiles = numMissiles;
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}
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public String getPlaneType() {
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return "Military";
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}
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@Override
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public String toString() {
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return "MilitaryPlane {" +
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"\n\tid='" + super.getId() + '\'' +
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",\n\tmanufacturer='" + super.getManufacturer() + '\'' +
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",\n\tmodel='" + super.getModel() + '\'' +
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",\n\tproductionYear=" + super.getProductionYear() +
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",\n\tmaxPassengers=" + super.getMaxPassengers() +
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",\n\tmaxSpeed=" + super.getMaxSpeed() +
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",\n\tnumMissiles=" + this.getNumMissiles() +
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",\n}";
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}
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@Override
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public boolean equals(Object o) {
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if (this == o) return true;
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if (!(o instanceof MilitaryPlane plane)) return false;
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if (!super.equals(o)) return false;
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return this.getNumMissiles() == plane.getNumMissiles();
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}
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@Override
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public int hashCode() {
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return Objects.hash(super.hashCode(), this.getNumMissiles());
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}
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}
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package aula09.ex3;
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import java.util.Objects;
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public class Plane {
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private final String id;
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private String manufacturer;
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private String model;
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private int productionYear;
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private int maxPassengers;
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private double maxSpeed;
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public Plane(String id, String manufacturer, String model, int productionYear, int maxPassengers, double maxSpeed) {
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this.id = id;
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this.manufacturer = manufacturer;
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this.model = model;
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this.productionYear = productionYear;
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this.maxPassengers = maxPassengers;
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this.maxSpeed = maxSpeed;
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}
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public String getId() {
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return id;
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}
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public String getManufacturer() {
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return manufacturer;
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}
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public void setManufacturer(String manufacturer) {
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this.manufacturer = manufacturer;
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}
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public String getModel() {
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return model;
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}
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public void setModel(String model) {
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this.model = model;
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}
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public int getProductionYear() {
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return productionYear;
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}
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public void setProductionYear(int productionYear) {
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this.productionYear = productionYear;
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}
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public int getMaxPassengers() {
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return maxPassengers;
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}
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public void setMaxPassengers(int maxPassengers) {
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this.maxPassengers = maxPassengers;
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}
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public double getMaxSpeed() {
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return maxSpeed;
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}
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public void setMaxSpeed(double maxSpeed) {
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this.maxSpeed = maxSpeed;
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}
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@Override
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public String toString() {
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return "Plane {" +
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"\n\tid='" + id + '\'' +
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",\n\tmanufacturer='" + manufacturer + '\'' +
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",\n\tmodel='" + model + '\'' +
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",\n\tproductionYear=" + productionYear +
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",\n\tmaxPassengers=" + maxPassengers +
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",\n\tmaxSpeed=" + maxSpeed +
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",\n}";
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}
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@Override
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public boolean equals(Object o) {
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if (this == o) return true;
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if (!(o instanceof Plane plane)) return false;
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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());
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}
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@Override
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public int hashCode() {
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return Objects.hash(this.getId(), this.getManufacturer(), this.getModel(), this.getProductionYear(), this.getMaxPassengers(), this.getMaxSpeed());
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}
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}
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@ -0,0 +1,76 @@
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package aula09.ex3;
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import java.util.*;
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public class PlaneManager {
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private final LinkedList<Plane> planes = new LinkedList<>();
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public void addPlane(Plane plane) {
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planes.add(plane);
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}
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public void removePlane(String id) {
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for (Plane plane : planes) {
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if (plane.getId().equals(id)) {
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planes.remove(plane);
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return;
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}
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}
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}
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public Plane searchPlane(String id) {
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for (Plane plane : planes) {
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if (plane.getId().equals(id)) {
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return plane;
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}
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}
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return null;
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}
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public LinkedList<Plane> getCommercialPlanes() {
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LinkedList<Plane> commercialPlanes = new LinkedList<>();
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for (Plane plane : planes) {
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if (plane instanceof CommercialPlane) {
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commercialPlanes.add(plane);
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}
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}
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return commercialPlanes;
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}
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public LinkedList<Plane> getMilitaryPlanes() {
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LinkedList<Plane> militaryPlanes = new LinkedList<>();
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for (Plane plane : planes) {
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if (plane instanceof MilitaryPlane) {
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militaryPlanes.add(plane);
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}
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}
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return militaryPlanes;
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}
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public Plane getFastestPlane() {
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Plane fastestPlane = null;
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for (Plane plane : planes) {
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if (fastestPlane == null || plane.getMaxSpeed() > fastestPlane.getMaxSpeed()) {
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fastestPlane = plane;
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}
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}
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return fastestPlane;
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}
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public void printAllPlanes() {
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for (Plane plane : planes) {
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System.out.println(plane);
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}
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}
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public void printAllPlanes(String type) {
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for (Plane plane : planes) {
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if (plane instanceof CommercialPlane && type.equals("commercial")) {
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System.out.println(plane);
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}
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else if (plane instanceof MilitaryPlane && type.equals("military")) {
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System.out.println(plane);
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}
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}
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}
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}
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@ -0,0 +1,104 @@
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package aula09.ex3;
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import java.util.Scanner;
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public class PlaneTester {
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public static void main(String[] args) {
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PlaneManager planeManager = new PlaneManager();
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Scanner scanner = new Scanner(System.in);
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int choice;
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do {
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System.out.println("\nPlane Fleet Menu:");
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System.out.println("1. Add a plane to the fleet");
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System.out.println("2. Remove a plane from the fleet");
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System.out.println("3. Search for a plane");
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System.out.println("4. Print summary of all planes in the fleet");
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System.out.println("5. Print list of all commercial planes in the fleet");
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System.out.println("6. Print list of all military planes in the fleet");
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System.out.println("7. Print the fastest plane in the fleet");
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System.out.println("0. Exit");
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System.out.print("Enter your choice: ");
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choice = Integer.parseInt(scanner.nextLine());
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switch (choice) {
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case 1 -> addPlane(planeManager, scanner);
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case 2 -> removePlane(planeManager, scanner);
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case 3 -> searchPlane(planeManager, scanner);
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case 4 -> printAllPlanes(planeManager);
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case 5 -> printCommercialPlanes(planeManager);
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case 6 -> printMilitaryPlanes(planeManager);
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case 7 -> printFastestPlane(planeManager);
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case 0 -> System.out.println("Exiting program...");
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default -> System.out.println("Invalid choice. Please try again.");
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}
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} while (choice != 0);
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scanner.close();
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}
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private static void addPlane(PlaneManager planeManager, Scanner scanner) {
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System.out.print("Enter the plane's ID: ");
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String id = scanner.nextLine();
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System.out.print("Enter the plane's manufacturer: ");
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String manufacturer = scanner.nextLine();
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System.out.print("Enter the plane's model: ");
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String model = scanner.nextLine();
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System.out.print("Enter the plane's year of manufacture: ");
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int year = Integer.parseInt(scanner.nextLine());
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System.out.print("Enter the plane's passenger count: ");
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int passengerCount = Integer.parseInt(scanner.nextLine());
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System.out.print("Enter the plane's maximum speed: ");
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int maxSpeed = Integer.parseInt(scanner.nextLine());
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System.out.print("Enter the plane's type (commercial/military): ");
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String type = scanner.nextLine();
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if (type.equals("commercial")) {
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System.out.print("Enter the plane's crew members count: ");
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int crewMembersCount = Integer.parseInt(scanner.nextLine());
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planeManager.addPlane(new CommercialPlane(id, manufacturer, model, year, passengerCount, maxSpeed, crewMembersCount));
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}
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else if (type.equals("military")) {
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System.out.print("Enter the plane's missile count: ");
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int missileCount = Integer.parseInt(scanner.nextLine());
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planeManager.addPlane(new MilitaryPlane(id, manufacturer, model, year, passengerCount, maxSpeed, missileCount));
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}
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}
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private static void removePlane(PlaneManager planeManager, Scanner scanner) {
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System.out.print("Enter the plane's ID: ");
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String id = scanner.nextLine();
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if (planeManager.searchPlane(id) == null) {
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System.out.println("Plane not found.");
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return;
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}
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planeManager.removePlane(id);
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}
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private static void searchPlane(PlaneManager planeManager, Scanner scanner) {
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System.out.print("Enter the plane's ID: ");
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String id = scanner.nextLine();
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Plane plane = planeManager.searchPlane(id);
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if (plane == null) {
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System.out.println("Plane not found.");
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return;
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}
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System.out.println(plane);
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}
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private static void printAllPlanes(PlaneManager planeManager) {
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planeManager.printAllPlanes();
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}
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private static void printCommercialPlanes(PlaneManager planeManager) {
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planeManager.printAllPlanes("commercial");
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}
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private static void printMilitaryPlanes(PlaneManager planeManager) {
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planeManager.printAllPlanes("military");
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}
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private static void printFastestPlane(PlaneManager planeManager) {
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System.out.print(planeManager.getFastestPlane());
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}
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}
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