Java tutorial
import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.IOException; import javax.swing.JOptionPane; import javax.swing.ProgressMonitorInputStream; public class MainClass { public MainClass(String filename) { ProgressMonitorInputStream monitor; try { monitor = new ProgressMonitorInputStream(null, "Loading " + filename, new FileInputStream(filename)); while (monitor.available() > 0) { byte[] data = new byte[38]; monitor.read(data); System.out.write(data); } } catch (FileNotFoundException e) { JOptionPane.showMessageDialog(null, "Unable to find file: " + filename, "Error", JOptionPane.ERROR_MESSAGE); } catch (IOException e) { ; } } public static void main(String args[]) { new MainClass(args[0]); } }