code: package visualization;
  
  import DataSet.DataSetPreprocessing;
  import java.io.BufferedReader;
  import java.io.BufferedWriter;
  import java.io.FileWriter;
  import java.io.IOException;
  import java.io.InputStreamReader;
  import java.util.Scanner;
  
  public class FineGrained {
  
      public static void main(String[] args) throws IOException, InterruptedException {
          visualize();
      }
      
      public static void visualize() throws IOException, InterruptedException 
      {
          System.out.println("+");
          System.out.println("+");
          System.out.println("+");
          System.out.println("+       ++++++++++++++++++++");
          System.out.println("++++++> Data Visualization +");
          System.out.println("        ++++++++++++++++++++");
          Scanner in = new Scanner(System.in);
          String currentDirectory = System.getProperty("user.dir");
          //System.out.println("The current working directory is " + currentDirectory + "/visualize.py");
  
          //System.out.println("cd " + currentDirectory);
          //Process p = Runtime.getRuntime().exec("cd "+currentDirectory); //There is no cd from java program
          //System.out.println("python3 " + currentDirectory + "/visualize.py");
          System.out.println("\n\n"); 
          System.out.println("        |");
          System.out.println("        ++++> Enter your pthon3 path on your computer (for example /home/xxxx/anaconda3/bin)");
          System.out.print("              Your answer is: ");
          String python = "/home/aorogat/anaconda3/bin";
          python = in.next();
          Process p = Runtime.getRuntime().exec(python+"/python3 " + DataSetPreprocessing.currentDirectory + "/visualize.py");
  
          p.waitFor();
          
         BufferedReader stdInput = new BufferedReader(new 
                   InputStreamReader(p.getInputStream()));
  
              BufferedReader stdError = new BufferedReader(new 
                   InputStreamReader(p.getErrorStream()));
  
  //             read the output from the command
              String s = null;
              System.out.println("Python:: Here is the standard output of the command:\n");
              while ((s = stdInput.readLine()) != null) {
                  System.out.println(s);
              }
              
  //             read any errors from the attempted command
              System.out.println("Python:: Here is the standard error of the command (if any):\n");
              while ((s = stdError.readLine()) != null) {
                  System.out.println(s);
              }
      }
  
  }
  