ELF Method helper

import java.io.File;
import java.io.FileNotFoundException;
import java.io.PrintStream;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.Scanner;
import java.io.FileOutputStream;

public class Song_Helper {

	public static String toHex(long a) {

	    //Laziness, it's easier to write
	    //toHex(asdf) than "asdf.whatever"

    	String result = Long.toString(a, 16);

    	return result.toUpperCase();

    }

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

		FileInputStream songReader = new FileInputStream(new File("song.gba"));
		FileOutputStream songWriter = new FileOutputStream("song.dmp");
		PrintStream dataWriter = new PrintStream("data.txt");

		Scanner inputScanner = new Scanner(System.in);

		final int TOTAL_LENGTH = songReader.available();

		final int SONG_BEGIN = 0x1B3BB8;
		final int HEADER_CMD = 0x0A;
		final int END_TRACK_CMD = 0xB1;
		//final int LOOP_TRACK_CMD = 0xB2;
		//final int VOLUME_CMD = 0xBC;
		//final int SET_INST_CMD = 0xBD;
		//A lot of the commented code is just leftover. They may
		//be used for an update in the possibly near future.

		songReader.skip(SONG_BEGIN);

		final int SONG_LENGTH = songReader.available();

		int first, second, third, fourth;
		int tracks;
		int tracknum = 1;

		System.out.print("How many tracks? ");
		tracks = inputScanner.nextInt();
		//System.out.print("\nWrite to where? 0x");
		//int writeOffset = inputScanner.nextInt(16);
		//System.out.print("\n Where is the instrument map?");

		dataWriter.println("Track " + tracknum + " is at 0x" + toHex(SONG_BEGIN));

		int trackArray[] = new int[tracks];
		int headerOffset;

		int currentOffset = TOTAL_LENGTH - songReader.available();

		final boolean WORD_ALIGNED = currentOffset%4 == 0;
		//I know this is ugly, but I couldn't think of
		//a better (read: easier for me to find) way
		//to organize all these variables.

		while (tracknum < tracks)
		{
			int single = songReader.read(); //Yeah, yeah, sloppy. It's a failsafe as far as I'm concerned.
			songWriter.write(single);
			int trackOffset = currentOffset + 1;
			currentOffset = TOTAL_LENGTH - songReader.available();

			if(single == END_TRACK_CMD)
			{
				trackArray[tracknum] = currentOffset;
				++tracknum;
				dataWriter.println("Track " + tracknum + " is at offset 0x" + toHex(trackOffset));
			}
		}
		currentOffset = TOTAL_LENGTH - songReader.available();

		do
		{
			songReader.read();
			currentOffset = TOTAL_LENGTH - songReader.available();
		} while (/*!WORD_ALIGNED*/ songReader.read() != tracks);

		headerOffset = currentOffset;

		dataWriter.println("\nHeader is at offset 0x" + toHex(headerOffset));
		System.out.println("\nDone.\n");
    }
}