Wiki**3

Exemplo: Escrita de Leitura Binárias (dados) (Escritor2)

<java5> public class Escritor2 {

 public static void main(String[] args) throws IOException {

   try {

     DataOutputStream out =
       new DataOutputStream(new BufferedOutputStream(new FileOutputStream("raw.dat")));

     out.writeUTF("Valor de PI");
     out.writeDouble(Math.PI);
     out.writeUTF("Raiz quadrada de 2");
     out.writeDouble(Math.sqrt(2));
     out.close();

     DataInputStream in =
       new DataInputStream(new BufferedInputStream(new FileInputStream("raw.dat")));

     System.out.println(in.readUTF());
     System.out.println(in.readDouble());
     System.out.println(in.readUTF());
     System.out.println(in.readDouble());

   }
   catch(EOFException e) { throw new RuntimeException(e); }

 }

} </java5>