Java - Alguien maneja dem...?

Estoy intentando hacer un DEM VIEWER (visor de digital elevation maps)
Alguien sabe si este código está bien?? Es que no me deja ejecutarlo....

EL ERROR ESTÁ AL FINAL------ CODIGO!!

package tools;

import java.awt.*;
import java.awt.image.*;
import java.io.*;
import java.nio.*;
import java.nio.channels.*;
import javax.swing.*;

public class DEMViewer {

private static void usage() {
System.out.println("programa: java DEMViewer [filename.bsf] [x resolution] [y resolution] [subsampling factor]");
System.exit(1);
}

public static void main(String[] args) {
if (args.length != 4) {
usage();
}

String filename = args[0];
int xRes = 0;
int yRes = 0;
int subsamp = 0;

try {
xRes = Integer.parseInt(args[1]);
yRes = Integer.parseInt(args[2]);
subsamp = Integer.parseInt(args[3]);
} catch (NumberFormatException e) {
usage();
}

int newXRes = (xRes + (subsamp - 1)) / subsamp;
int newYRes = (yRes + (subsamp - 1)) / subsamp;

try {
FileInputStream fis = new FileInputStream(filename);
FileChannel chan = fis.getChannel();
ByteBuffer tmpBuf = chan.map(FileChannel.MapMode.READ_ONLY, 0, (int) chan.size());
ShortBuffer buf = tmpBuf.asShortBuffer();

BufferedImage img = new BufferedImage(newXRes,
newYRes,
BufferedImage.TYPE_BYTE_GRAY);
byte[] data = new byte[newXRes * newYRes];
int pos = 0;

// Compute max and min values
int max = 0;
int min = 0xFFFF;

for (int y = 0; y < yRes; y += subsamp) {
for (int x = 0; x < xRes; x += subsamp) {
int val = buf.get(y * xRes + x) & 0xFFFF;
max = Math.max(max, val);
min = Math.min(min, val);
}
}

System.err.println("Maximum value " + max + ", minimum value " + min);
float tffOScale = 255.0f / (float) (max - min);

for (int y = 0; y < yRes; y += subsamp) {
for (int x = 0; x < xRes; x += subsamp) {
int val = buf.get(y * xRes + x) & 0xFFFF;
data[pos++] = (byte) ((float) (val - min) * tffOScale);
}
}

img.setData(Raster.createRaster(img.getSampleModel(),
new DataBufferByte(data, data.length),
new Point()));

JFrame frame = new JFrame("DEM Viewer");
JLabel label = new JLabel(new ImageIcon(img));
frame.getContentPane().add(label);
frame.pack();
frame.show();
} catch (IOException e) {
e.printStackTrace();
}
}
}

C:\Borland\JBuilder2005\jdk1.4\bin\javaw -classpath "C:\Borland\JBuilder2005\samples\Welcome\classes;C:\Borland\JBuilder2005\jdk1.4\jre\javaws\javaws.jar;C:\Borland\JBuilder2005\jdk1.4\jre\lib\charsets.jar;C:\Borland\JBuilder2005\jdk1.4\jre\lib\ext\dnsns.jar;C:\Borland\JBuilder2005\jdk1.4\jre\lib\ext\ldapsec.jar;C:\Borland\JBuilder2005\jdk1.4\jre\lib\ext\localedata.jar;C:\Borland\JBuilder2005\jdk1.4\jre\lib\ext\sunjce_provider.jar;C:\Borland\JBuilder2005\jdk1.4\jre\lib\im\indicim.jar;C:\Borland\JBuilder2005\jdk1.4\jre\lib\im\thaiim.jar;C:\Borland\JBuilder2005\jdk1.4\jre\lib\jce.jar;C:\Borland\JBuilder2005\jdk1.4\jre\lib\jsse.jar;C:\Borland\JBuilder2005\jdk1.4\jre\lib\plugin.jar;C:\Borland\JBuilder2005\jdk1.4\jre\lib\rt.jar;C:\Borland\JBuilder2005\jdk1.4\jre\lib\sunrsasign.jar;C:\Borland\JBuilder2005\jdk1.4\lib\dt.jar;C:\Borland\JBuilder2005\jdk1.4\lib\htmlconverter.jar;C:\Borland\JBuilder2005\jdk1.4\lib\tools.jar" com.borland.samples.welcome.WelcomeApp