MarkovProb

package suny;

import java.util.Random;

public class Markov {
    public static void main(String args[]){
        String notes[] = new String[32];
        int melodySize = 32;

        notes[0] ="GW";

        for(int i=0;i<melodySize-1;i++){
            notes[i+1] = markovProbNote(notes,i);
        }

        for(int i=0;i<melodySize;i++){
            System.out.print(notes[i]);
        }

    }

    public static String markovProbNote(String notes[], int position){
        double randomNumber = Math.random();
        if(notes[position] == "GW"){

            if(randomNumber <= 0.142){
                return "GW";
            }
            else if(randomNumber <=0.427){
                return "EW";
            }
            else if(randomNumber <= 0.569){
                return "FW";
            }
            else if(randomNumber <= 0.711){
                return "DW";
            }
            else if(randomNumber <= 0.853){
                return "CQ";
            }
            else
                return "AW";
        }
        if(notes[position] == "EW"){
            if(randomNumber <= 0.288){
                return "GW";
            }
            else if(randomNumber <= 0.716){
                return "EW";
            }
            else{
                return "FW";
            }
        }
        if(notes[position] == "FW"){
            if(randomNumber <= 0.4){
                return "GW";
            }
            else {
                return "EW";
            }

        }
        if(notes[position] == "DW"){
            if(randomNumber <= 0.4){
                return "EW";
            }
            else if(randomNumber <= 0.6){
                return "FW";
            }
            else if(randomNumber <= 0.8){
                return "DW";
            }
            else{
                return "CQ";
            }
        }
        if(notes[position] == "CQ"){
            if(randomNumber <= 0.25){
                return "DW";
            }
            else{
                return "CQ";
            }

        }
        if(notes[position] == "AW"){
            return "CQ";
        }
        return "";
    }

}