aplicatie java cu fisiere

//Aplicatie Java cu fluxuri de intrare si iesire

//program care citeste numere de la tastatura si le memoreaza intr-un fisier iesire.txt//apoi,folosind clasa StreamTokenizer parsam datele si le afisam la terminal

import java.io.*;import java.lang.*;

public class Aplicatie1 {

private BufferedReader tastatura;

public static void main (String[] args) {

Aplicatie1 a=new Aplicatie1();a.executa();a.executa1();

}

public void executa() {try {

//declaram 2 fisiere si un buffer pt tastaturaFileWriter f1=new FileWriter("iesire.txt");//crearea unui flux de intrare dintr-un fisier care va fi parsat de un StreamTokenizer

String vid=" ";tastatura=new BufferedReader(new InputStreamReader(System.in),1);for (int i=1;i<10;i++) {

System.out.println("dati un numar:");String sir=tastatura.readLine();

f1.write(sir);f1.write(vid);

// f1.write(Integer.valueOf(sir));//goleste bufferul de iesire in fisier

// String linie=tastatura.readLine();}

f1.close();

} catch(IOException e) {System.out.println("eroare");

}

}

public void executa1() {try{

StreamTokenizer p=new StreamTokenizer(new FileReader("iesire.txt"));p.eolIsSignificant(false);while(p.nextToken()!=p.TT_EOF)

if (p.ttype==p.TT_NUMBER)System.out.println("numar:"+p.nval);}catch(IOException e){

System.out.println("eroare");}

}

}