randomSong

import java.io.File;
import java.io.FileNotFoundException;
import java.util.HashMap;
import java.util.Map;
import java.util.Random;
import java.util.Scanner;

public class RandomSongDataUtil {
      public static void main(String[] args) throws FileNotFoundException {
          System.out.println(getSoundSample()[4]);
          System.out.println(getSoundSample()[5]);
          }

      public static String[] getSoundSample(){
          try{
              String s = choose(new File("src/main/resources/itunessalesdata2.csv"));
              return s.split(";");
          }catch(Exception e){
              throw new RuntimeException(e.getMessage(),e);
          }
      }

          public static String choose(File f) throws FileNotFoundException
          {
             String result = null;
             Random rand = new Random();
             int n = 0;
             for(Scanner sc = new Scanner(f); sc.hasNext(); )
             {
                ++n;
                String line = sc.nextLine();
                if(rand.nextInt(n) == 0)
                   result = line;
             }

             return result;
          }
}