OOP) Minecraft Exam

import java.util.HashMap;
import java.util.Scanner;
import java.util.ArrayList;

public class CustomMob extends MinecraftMobs{

    String name;
    String type;
    String hostility;
    String colour;


    public CustomMob (String name, String type, String colour, String hostility, String location){
        this.name = name;
        this.type = type;
        this.colour = colour;
        this.hostility = hostility;
        this.location = location;
    }
    public String getName (){
        return name;
    }

    public String changeName (){
        System.out.println();
        System.out.print("Please enter the new name for your mob: ");
        Scanner keyboard = new Scanner(System.in);
        name = keyboard.next();
        return name;
    }

    public String getType (){
        return type;
    }

    public String changeType (){
        System.out.println();
        System.out.print("Please enter the new type for your mob: ");
        Scanner keyboard = new Scanner(System.in);
        String newType = keyboard.next();
        type = newType;
        return type;
    }

    public String getColour(){
        return colour;
    }

    public String changeColour(){
        System.out.println();
        System.out.print("Please input the new colour for your mob: ");
        Scanner keyboard = new Scanner(System.in);
        String newColour = keyboard.next();
        colour = newColour;
        return colour;
    }

    public String getHostility (){
        return hostility;
    }

    public String changeHostility(){
        System.out.println();
        Scanner keyboard = new Scanner(System.in);
        System.out.print("Select your mob's hostility level (1=friendly, 2=passive or 3=hostile): ");
        int hostilitySelection = keyboard.nextInt();

        if(hostilitySelection==1){
            hostility = "friendly";
        }else if (hostilitySelection==2){
            hostility = "passive";
        }else{
            hostility = "hostile";
        }
        return hostility;
    }

    public void getStats (CustomMob mob){
        System.out.println();

        HashMap<String, String> mobStats = new HashMap<>();
        mobStats.put("Name", mob.getName());
        mobStats.put("Type", mob.getType());
        mobStats.put("Colour", mob.getColour());
        mobStats.put("Hostility", mob.getHostility());
        mobStats.put("Location", mob.getLocation());

        for(String slot: mobStats.keySet()){
            System.out.println(slot + ": " + mobStats.get(slot));
        }
    }

    public static void main(String[] args) {
        System.out.println();
        System.out.println("This code helps you to create custom Minecraft mob");
        System.out.println("Lets create our new mob: ");
        System.out.print("Enter your mob's name: ");
        Scanner keyboard1 = new Scanner(System.in);
        String newName = keyboard1.next();
        System.out.print("Enter your mob's type: ");
        String newType = keyboard1.next();
        System.out.print("Enter your mob's colour: ");
        String newColour = keyboard1.next();
        System.out.print("Select your mob's hostility level (1=friendly, 2=passive or 3=hostile): ");
            int hostilitySelection = keyboard1.nextInt();
            String newHostility;
            if(hostilitySelection==1){
                newHostility = "friendly";
            }else if (hostilitySelection==2){
                newHostility = "passive";
            }else{
                newHostility = "hostile";
            }
        System.out.print("Enter your mob's preferred biome location: ");
        String newLocation = keyboard1.next();

        CustomMob mob = new CustomMob(newName, newType, newColour, newHostility, newLocation);

            System.out.println();
            System.out.println("Select your next action from the list below:");
            System.out.println("1) Check the name of your mob");
            System.out.println("2) Rename your mob");
            System.out.println("3) Check the type of your mob");
            System.out.println("4) Change the type of your mob");
            System.out.println("5) Check the colour of your mob");
            System.out.println("6) Change the colour of your mob");
            System.out.println("7) Check the hostility of your mob");
            System.out.println("8) Change the hostility of your mob");
            System.out.println("9) Check the location of your mob");
            System.out.println("10) Change the location of your mob");
            System.out.println("11) Print the stats of your mob");
            System.out.println("12) Exit the simulation");

            while(true) {
                Scanner keyboard = new Scanner(System.in);
                int option = keyboard.nextInt();

                if (option == 1) {
                    System.out.println("The name of your mob is: " + mob.getName());
                } else if (option == 2) {
                    System.out.println("The new name of your mob is: " + mob.changeName());
                } else if (option == 3) {
                    System.out.println("Your mob is a " + mob.getType() + " type");
                } else if (option == 4) {
                    System.out.println("The new type of your mob is: " + mob.changeType());
                } else if (option == 5) {
                    System.out.println("Your mob's colour is: " + mob.getColour());
                } else if (option == 6) {
                    System.out.println("The new colour of your mob is: " + mob.changeColour());
                } else if (option == 7) {
                    System.out.println("Your mob's hostility is classed as: " + mob.getHostility());
                } else if (option == 8) {
                    System.out.println("Your mob is now classed as a " + mob.changeHostility() + " mob");
                } else if (option == 9) {
                    System.out.println("Your current mob's preferred location is: " + mob.getLocation());
                } else if (option == 10) {
                    System.out.println("Your mob's new location is " + mob.changeLocation());
                } else if (option == 11) {
                    System.out.println("The current stats for your new mob:");
                    mob.getStats(mob);
                } else if (option == 12) {
                    System.out.println("Thank you for choosing the Custom Mobinator Program");
                    System.out.println("These are the final stats for your new mob:");
                    mob.getStats(mob);
                    break;

                } else {
                    System.out.println("Please select a valid option from the menu");
                }

                    System.out.println();
                    System.out.print("Please choose again from the menu: ");
        }
    }
}

class MinecraftMobs {

    String location;

    public String getLocation(){
        return location;
    }

    public String changeLocation (){
        ArrayList<String> biomes = new ArrayList<>();
        biomes.add("Plains");
        biomes.add("Water");
        biomes.add("Underground");
        biomes.add("The Nether");
        biomes.add("The End");

        System.out.println("Choose the location you wish your mob to be most likely found in: ");
        for (int i = 0; i<biomes.size(); i++) {
            System.out.println((i+1) + ") " + biomes.get(i));
        }
        System.out.print("Enter the number: ");
        Scanner keyboard = new Scanner(System.in);
        int mobLocation = keyboard.nextInt();

        return biomes.get(mobLocation-1);
    }
}