public class MonitoringSystem {


/**
 * @param args the command line arguments
 * @throws java.io.IOException
 *
 */
public static void main(String[] args) throws IOException {
    Scanner scnr = new Scanner(System.in);
    Scanner inFS = null;
    FileInputStream animals = null;
    FileInputStream habitats = null;
    BufferedReader reader = null;
    String monitorChoice = "";
    String animalChoice = "";
    String habitatChoice = "";
    String userInput = "";


    System.out.println("Would you like to monitor an Animal, Habitat, or exit?");
    monitorChoice = scnr.nextLine();


    if (monitorChoice.equals("Animal")) {
        System.out.println("Choose an animal to monitor: Lion, Tiger, Bear, or Giraffe.");
        animals = new FileInputStream("animals.txt");
        animalChoice = scnr.nextLine();
        File file = new File("animals.txt");
        BufferedReader br = new BufferedReader(new FileReader(file));

        String currentLine = br.readLine();
        while ((currentLine = br.readLine()) != null) {
            if (currentLine.contains(animalChoice)) {
                String nameline = br.readLine();
                String ageline = br.readLine();
                String healthline = br.readLine();
                String feedline = br.readLine();

                healthline = healthline.replaceAll("[*]", "");
                feedline = feedline.replaceAll("[*]", "");

                System.out.println(currentLine);
                System.out.println(nameline);
                System.out.println(ageline);
                System.out.println(feedline);
                System.out.println(healthline);

                System.out.println("Monitor another animal, return to main menu, or exit. Use keywords: Monitor, Main menu, or exit");
                userInput = scnr.nextLine();

                if (userInput.equals("Monitor")){
                    System.out.println("Choose an animal to monitor: Lion, Tiger, Bear, or Giraffe.");
                    return;
                }
                else if (userInput.equals("Main menu")){
                    System.out.println("Would you like to monitor an Animal, Habitat, or exit");
                }
                else if (userInput.equals("exit")){
                    System.out.println("Have  a great day!");
                    break;
                }