code: package anonymous.predict.ipredict.controllers;
  
  import anonymous.predict.ipredict.database.Sequence;
  import anonymous.predict.ipredict.predictor.TDAG.TDAGPredictor;
  import anonymous.predict.ipredict.predictor.profile.DefaultProfile;
  
  import java.io.BufferedReader;
  import java.io.File;
  import java.io.FileReader;
  import java.io.IOException;
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  public class ReadingFiles {
      public static void main(String[] args) throws IOException {
          Map<Integer, String> scalesA = readData("sequences/prominence-nf-A.txt");
          Map<Integer, String> scalesQ = readData("sequences/prominence-nf-A.txt");
  
          Map<Integer, String> scales = new HashMap<>();
          for (Integer key : scalesQ.keySet()) {
              if (scalesA.containsKey(key)) {
                  scales.put(key, scalesQ.get(key) + " " + scalesA.get(key));
              }
          }
  
          //initializing the CPT Plus predictor
          //MarkovAllKPredictor akom = new MarkovAllKPredictor();
          TDAGPredictor pred = new TDAGPredictor();
  
          //setting the experiment parameters
          DefaultProfile profile = new DefaultProfile();
          profile.Apply();
  
          //generating the training set
          List<Sequence> trainingSet = new ArrayList<Sequence>();
          for (Integer key : scales.keySet())
              trainingSet.add(Sequence.fromString(key, scales.get(key)));
  
          //training the model
          pred.Train(trainingSet);
  
          //predicting a sequence
          Sequence predicted = pred.Predict(Sequence.fromString(0, "7"));
  
          //output prediction
          System.out.println("Predicted symbol: " + predicted);
  
      }
  
      public static Map<Integer, String> readData(String fileAddress) throws IOException {
          Map<Integer, String> result = new HashMap<>();
          File file = new File(fileAddress);
          BufferedReader reader = new BufferedReader(new FileReader(file));
          String st;
          while ((st = reader.readLine()) != null) {
              if (st.trim() != "") {
  
                  String[] val = st.split(" ");
                  Integer id = Integer.parseInt(val[0]);
                  String values = "";
                  int count = 0;
                  if (val.length >= 2) {
                      for (String v : val) {
                          if (count != 0) {
                              v = v.replaceAll("Q-", "");
                              v = v.replaceAll("A-", "");
                              values += " " + v;
                          }
                          count++;
                      }
                      result.put(id, values.trim());
                  }
              }
          }
          return result;
      }
  }
  