0
package projecto_algoritmia;
import java.util.Scanner;
import java.io.File;
import java.io.FileReader;
import java.io.FileNotFoundException;
/**
*
* @author Jeje
*/
public class Projecto_Algoritmia {
/**
* @param args the command line arguments
*/
public static void main(String[] args) {
// TODO code application logic here
String id_inteprete, ano, id_genero, posicao;
String nomeFicheiro = "musicas.txt";
try {
File ficheiro=new File(nomeFicheiro);
Scanner scanner = new Scanner(ficheiro);
while (scanner.hasNextLine()) {
String linha = scanner.nextLine();
String dados[] = linha.split(" : ");
System.out.println("*");
Musica musica= new Musica(dados[0],Integer.parseInt(dados[1]),Integer.parseInt(dados[2]),Integer.parseInt(dados[3]),Integer.parseInt(dados[4]));
System.out.println(musica.titulo+" "+musica.id_interprete+" "+musica.ano+" "+musica.id_genero+" "+musica.posicao);
}
scanner.close();
}
catch(FileNotFoundException exception) {
String mensagem = "Erro: o ficheiro " + nomeFicheiro + "nao foi encontrado.";
System.out.println(mensagem);
}
}
public class Musica {
String titulo;
Integer id_interprete, ano, id_genero, posicao;
public Musica(String titulo, Integer id_interprete, Integer ano, Integer id_genero, Integer posicao) {
this.titulo = titulo;
this.id_interprete = id_interprete;
this.ano = ano;
this.id_genero = id_genero;
this.posicao = posicao;
}
Musica() {
throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
}
I’m reading a file where each line represents data from a song I want to save to the Music object
I am having the error of Arrayindexofbox and do not understand the cause.
The file to be read is:
Amar pelos dois : 0 : 2017 : 1 : 0
Epic : 5 : 1990 : 3 : 1
The Rockafeller Skank : 6 : 1998 : 6 : 12
I Think Im Paranoid : 3 : 1998 : 3 : 3
O meu coracao nao tem cor : 12 : 1996 : 7 : 4
Boulevard of Broken Dreams : 9 : 2004 : 3 : 8
Chamar a musica : 11 : 1996 : 7 : 6
From Here to Eternity : 1 : 1977 : 6 : 2
Racer : 1 : 2013 : 6 : 5
Get Lucky : 13 : 2013 : 6 : 7
Take my breath away : 10 : 1986 : 2 : 9
Nightcall : 7 : 2010 : 6 : 10
Danger Zone : 4 : 1986 : 7 : 11
Nothing Compares 2U : 2 : 1990 : 2 : 13
Ch-Check it Out : 14 : 2004 : 7 : 14
Best of My Love : 18 : 1977 : 7 : 16
Hooked on a Feeling : 20 : 1974 : 2 : 18
Rolling in the deep : 17 : 2010 : 7 : 15
Cold as Ice : 8 : 1977 : 3 : 19
Best of My Love : 19 : 1974 : 3 : 17
ArrayIndexofBox
orArrayIndexOutOfBounds
???– Jéf Bueno
ofBounds. Thank you
– Stelio Spallanzani
thanks guys, I managed to solve the problem
– Stelio Spallanzani