Aggiunta Videoteca

This commit is contained in:
Giacomo R. 2023-03-18 14:32:06 +01:00
parent e850031d40
commit f7272926a2
10 changed files with 249 additions and 0 deletions

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Videoteca/.idea/.gitignore vendored Normal file
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# Default ignored files
/shelf/
/workspace.xml

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Videoteca/.idea/misc.xml Normal file
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Videoteca/.idea/vcs.xml Normal file
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Videoteca/Istruzioni.md Normal file
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Scrivere una classe Videogioco che rappresenti le seguenti informazioni relative ad un videogioco: titolo, casa produttrice, piattaforma e prezzo, e che contenga il costruttore parametrizzato ed i metodi getTitolo, getCasaProduttrice, getPiattaforma e getPrezzo che restituiscono rispettivamente il titolo, la casa produttrice, la piattaforma e il prezzo del videogioco.
Scrivere poi una classe Videoteca, che rappresenti un insieme di videogiochi tramite un array di tipo Videogioco, e che contenga il costruttore parametrizzato, un metodo addVideogioco(), che aggiunge un videogioco alla Videoteca, un metodo trova(), che accetta in ingresso una casa produttrice c e un numero reale k e restituisce il numero di videogiochi contenuti nella videoteca prodotti dalla casa produttrice c e con prezzo superiore a k.
Aggiungere alla classe Videoteca un metodo che accetti una casa produttrice c e restituisca i titoli di tutti i videogiochi prodotti dalla casa produttrice c.
Scrivere la classe di collaudo che:
• istanzia una Videoteca
• Istanzia qualche videogioco che viene aggiunto alla Videoteca
• prova i diversi metodi, uno alla volta, nellordine di realizzazione.
NB: aggiungere alle classi anche i metodi necessari perché nella classe tester possano essere visualizzati i Videogiochi contenuti nella Videoteca.

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Videoteca/Videoteca.iml Normal file
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Videoteca/src/Tester.java Normal file
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public class Tester {
public static void main(String[] args) {
Videoteca myVideoteca = new Videoteca();
myVideoteca.addVideogioco(new Videogioco("Test1", "Nintendo", "Switch", 5));
myVideoteca.addVideogioco(new Videogioco("Test2", "Microsoft", "Switch", 100));
System.out.println(myVideoteca.trova("Nintendo", 1));
System.out.println(myVideoteca.trova("Nintendo").toString());
}
}

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public class Videogioco {
private final String titolo;
private final String casaProduttrice;
private final String piattaforma;
private final double prezzo;
public Videogioco(String titolo, String casaProduttrice, String piattaforma, double prezzo) {
this.titolo = titolo;
this.casaProduttrice = casaProduttrice;
this.piattaforma = piattaforma;
this.prezzo = prezzo;
}
public String getTitolo() {
return titolo;
}
public String getCasaProduttrice() {
return casaProduttrice;
}
public String getPiattaforma() {
return piattaforma;
}
public double getPrezzo() {
return prezzo;
}
@Override
public String toString() {
return titolo + " di " + casaProduttrice + " per " + piattaforma + ", " + prezzo + "";
}
}

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import java.util.ArrayList;
public class Videoteca {
private ArrayList<Videogioco> giochi = new ArrayList<>();
public Videoteca() {}
public void addVideogioco(Videogioco videogioco) {
giochi.add(videogioco);
}
public int trova(String c, int k) {
int validi = 0;
for(Videogioco gioco : giochi) {
if(gioco.getCasaProduttrice().equals(c) && gioco.getPrezzo() > k) {
validi++;
}
}
return validi;
}
public ArrayList<Videogioco> trova(String c) {
ArrayList<Videogioco> validi = new ArrayList<>();
for(Videogioco gioco : giochi) {
if(gioco.getCasaProduttrice().equals(c)) {
validi.add(gioco);
}
}
return validi;
}
}