Java ObjectInputStream .readUnsignedByte ()

public int readUnsignedByte()   throws IOException

//  w w w  . j a  v a 2 s  .  com
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;

public class Main {

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

    byte b = 127;

    FileOutputStream out = new FileOutputStream("test.txt");
    ObjectOutputStream oout = new ObjectOutputStream(out);

    // write something in the file
    oout.writeByte(b);
    oout.flush();
    oout.close();
    // create an ObjectInputStream for the file we created before
    ObjectInputStream ois = new ObjectInputStream(new FileInputStream(
        "test.txt"));

    // read and print the unshared object
    System.out.println(ois.readUnsignedByte());
    ois.close();
  }
}