midi command creator

package Midi;
import javax.sound.midi.*;
import javax.sound.midi.spi.MidiFileReader;

import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.Scanner;
public class Midi {
    public static final int NOTE_ON = 0x90;
    public static final int NOTE_OFF = 0x80;
    public static final String[] NOTE_NAMES = {"C", "C#", "D", "D#", "E", "F", "F#", "G", "G#", "A", "A#", "B"};
    public static final String[] notas={"0.7","0.75","0.8","0.85","0.9","0.95","1.0","1.05","1.1","1.2","1.25","1.32"};
    public static void main(String[] args) throws Exception{
        FileWriter fw= new FileWriter("midi.mcfunction");
        Scanner sc=new Scanner(System.in);
        Sequence sequence = MidiSystem.getSequence(new File("MIDIlovania.mid"));
        //fw.write("scoreboard players set @e[name=tics] tics 0\n");
        int trackNumber = 0;
        for (Track track :  sequence.getTracks()) {
            trackNumber++;
            System.out.println("Track " + trackNumber + ": size = " + track.size());
            System.out.println();
            for (int i=0; i < track.size(); i++) {
                MidiEvent event = track.get(i);
                System.out.print("@" + event.getTick() + " ");
                MidiMessage message = event.getMessage();
                if (message instanceof ShortMessage) {
                    ShortMessage sm = (ShortMessage) message;
                    System.out.print("Channel: " + sm.getChannel() + " ");
                    if (sm.getCommand() == NOTE_ON) {
                        int key = sm.getData1();
                        int octave = (key / 12)-1;
                        int note = key % 12;
                        String noteName = NOTE_NAMES[note];
                        int velocity = sm.getData2();
                        System.out.println("Note on, " + noteName + octave + " key=" + key + " velocity: " + velocity);
                    } else if (sm.getCommand() == NOTE_OFF) {
                        int key = sm.getData1();
                        int octave = (key / 12)-1;
                        int note = key % 12;
                        String noteName = NOTE_NAMES[note];
                        int velocity = sm.getData2();
                        System.out.println("Note off, " + noteName + octave + " key=" + key + " velocity: " + velocity);
                        fw.write("execute @e[name=tics,score_tics="+event.getTick()+",score_tics_min="+(event.getTick()-8)+"] ~ ~ ~ /playsound block.note.harp player @a ~ ~ ~ 1 "+notas[note]+"\n");
                    } else {
                        System.out.println("Command:" + sm.getCommand());
                    }
                } else {
                    System.out.println("Other message: " + message.getClass());
                }
            }

            System.out.println();
        }
        fw.write("scoreboard players add @e[name=tics] tics 8");
        fw.close();

    }
}