Ajuda

import java.io.*;
import java.util.*;

  public class array4 {
    BufferedReader inReader;//hdr
    PrintWriter outWriter;//hdr
    String line;//hdr

  private String[] args;

  public array4 ()  //constructor
    {
      BufferedReader inReader = null;
      PrintWriter outWriter = null;
     }

  public static void main(String[] args) {

    array4 f = new array4();
    f.readMyFile();
  }

  void readMyFile() {
    array4 f = new array4();
    DataInputStream data = null; //Variables
    DataOutputStream data2 = null;
    String record = null;
    int recCount = 0;
    int n_rows, n_cols;
    int c;
    double dummy;
    n_rows = 179; //x
    n_cols = 254; //y
    double[][] points = new double[n_rows][n_cols]; //2D Array
    float a; //receive datas from 2D Arry
    byte T[] = new byte[200];
    byte vetortext[] = new byte[200];
    int bytelidos = 0;

    String t;
    String line = null,lineTokens;//hdr
    int H_ncols;//hdr
    int H_nrows;//hdr
    double H_XCorner;//hdr
    double H_YCorner;//hdr
    int H_CellSize;//hdr
    String H_Byteorder;//hdr
    double H_Nodatavalue;//hdr
try {
File in = new File("G:/tiago/Java/JavaProjects/array4/classes/Nutz_Esri.flt"); ******
      FileInputStream fis = new FileInputStream(in);
      BufferedInputStream bis = new BufferedInputStream(fis);
      data = new DataInputStream(bis);
      for (int y = 0; y < n_cols; y++) {
        for (int x = 0; x < n_rows; x++) {
          try {
            points[x][y] = (double) data.readFloat();
            System.out.println("Input x : " + x + " ;" + " y : " + y + " ->" +
                               " Value : " + (float)points[x][y]);
          }
          catch (EOFException e) {
            // catch EOF occuring while reading
            System.out.println("ACHTUNG,got an EOFException error! " +
                               e.getMessage());
          }
        }
      }
    }

    catch (IOException e) {
      // catch io errors from FileInputStream or readLine()
      System.out.println("ACHTUNG, got an IOException error! " + e.getMessage());
    }
    finally {
      // if the file opened okay, make sure we close it
      if (data != null) {
        try {
          data.close();
        }
        catch
            (IOException ioe) {
        }
      }
    }

    File out = new File("G:/tiago/Java/JavaProjects/array4/classes/copy2.bin"); //copy-out
    FileOutputStream fos = null;
    try {
      fos = new FileOutputStream(out);
    }
    catch (FileNotFoundException ex) {
    }
    BufferedOutputStream bos = new BufferedOutputStream(fos);
   data2 = new DataOutputStream(bos);

    try {
      FileWriter saida = new FileWriter(out);
    }
    catch (IOException ex1) {
      System.out.println("Achtung,problems with creating the output file " +  ex1.getMessage());
    }

    for (int y = 0; y < n_cols; y++) {
      for (int x = 0; x < n_rows; x++) {

          try {
            a = (float)points[x][y];
            System.out.println("Output x : " + x + " ;" + " y : " + y + " ->" +
                               " Value : " + a);
            data2.writeFloat(a);

          }
          catch (IOException ioe) {
            System.out.println("Achtung,problems with writing data" + ioe.getMessage());

        }
      }

    }try{
      data2.close();
    }catch(IOException e) {
    e.getMessage();
    }
  }
}