Question

I have a problem that’s breaking my mind. I have a .txt file that looks like

fiat,regata,15*renault,seiscientos,25*

In my code I have this

       Scanner sc=new Scanner(new File("coches.txt");
        sc.useDelimiter("[,*]");
        while(sc.hasNext()){   
            marca=new StringBuffer(sc.next());
            modelo=new StringBuffer(sc.next());
            marca.setLength(10);
            modelo.setLength(10);
            edad=sc.nextInt();

            coche=new Coche(marca.toString(),modelo.toString(),edad);
            coches.add(coche);
        }

The problem here is that the While loop is working three times, so the third time marca=\n and It stops with a java.util.NoSuchElementException. So, How can I use my delimiter to stop de loop in the last * and avoid It to enter in that extra/problematic time?.

I already tried things like

while(sc.next!="\n")

I also triyed this and doesn’t work

sc.useDelimiter(“[,\*\n]”);

SOLVED!!!

I finally found the solution, in part thanks to the advice of user1542723. The solution
is:

String linea;
String [] registros,campos;    
File f=new File("coches.txt");
FileReader fr=new FileReader(f);
BufferedReader br=new BufferedReader(fr);//ALL this need Try Catch that I'm not posting

while((linea=br.readLine())!=null){
        registros=linea.split("\\*");
    }
    for (int i = 0; i < registros.length; i++) {
        campos=registros[i].split(",");
        marca=campos[0];
        modelo=campos[1];
        edad=Integer.parseInt(campos[2]);//that's an Int, edad means Age

        coche=new Coche(marca.toString(),modelo.toString(),edad);
        coches.add(coche);
    }
}

Thank you everybody who helped me.

Answer 1

You may want to escape the star in your regex:

sc.useDelimiter("[,\\*]");

Because

"[,*]" means , zero or more times and "[,\\*]" means , or *.