finish

animal.java

+public class animal {
+    String name;
+    String habitat;
+    String diet;
+    String des;
+    String extra;
+
+    public animal(){
+        name="";
+        habitat="";
+        diet="";
+        des="";
+        extra="";
+    }
+
+    public animal(String input_name, String input_habitat, String input_diet, String input_des){
+        name = input_name;
+        habitat = input_habitat;
+        diet = input_diet;
+        des = input_des;
+        extra="";
+    }  
+    
+    public String getName(){return name;}
+    public String getDiet(){return diet;}
+    public String gethabitat(){return habitat;}
+    public String getDesc(){return des;}
+    public String getExtra(){return extra;}
+    
+}
+     
\ No newline at end of file

bird.java

+public class bird extends animal{
+    boolean flight;
+
+    public bird(){
+        super();
+        flight=true;
+    }
+
+    public bird(String input_name, String input_envi, String input_diet, String input_des, Boolean input_flight){
+        name= input_name;
+        habitat=input_envi;
+        diet=input_diet;
+        des=input_des;
+        flight=input_flight;
+        
+        if(flight){extra="flight";}
+        else{extra="flightless";}
+    }
+}
\ No newline at end of file

fish.java

+public class fish extends animal{
+    boolean salt_water;
+
+    public fish(){
+        super();
+        salt_water=true;
+    }
+
+    public fish(String input_name, String input_envi, String input_diet, String input_des, Boolean input_salt){
+        name= input_name;
+        habitat=input_envi;
+        diet=input_diet;
+        des=input_des;
+        salt_water=input_salt;
+
+        if(salt_water){extra="Salt water";}
+        else{extra="Fresh water";}
+    }
+}
\ No newline at end of file

main.java

+import java.util.Scanner;
+
+public class main {
+    public static void main(String[] args) throws Exception {
+    zoo York_zoo=new zoo("York Zoo");
+    
+    mamal goat=new mamal("Bob","mountains","grass","resting",true);
+    mamal lion=new mamal("Alex","grasslands","meat","sleeping",true);
+    mamal capybara=new mamal("Helen","swamp","grass","swimming",false);
+    
+    bird owl=new bird("Winnie","Forrests","mice","Wise",true);
+    bird ostridge=new bird("Barry","savanna","plants","running",false);
+    bird penguin=new bird("Mumble","Frozen oceans","fish","resting",false);
+
+    fish shark=new fish("Bruce", "Ocean", "Fish", "Hungry",true);
+    fish clownfish=new fish("Nemo","Ocean","algae","hiding",true);
+    fish trout=new fish("Geof","Rivers","shrimp","happy",false);
+
+    reptile scorpion=new reptile("Fez","Desert","insects","burrowing",true);
+    reptile snake=new reptile("mik","forrest","rats","sleeping",false);
+    reptile turtles=new reptile("Rapheal","ocean","sardines","happy",false);
+    
+    York_zoo.addAnimal(goat);
+    York_zoo.addAnimal(lion);
+    York_zoo.addAnimal(capybara);
+
+    York_zoo.addAnimal(owl);
+    York_zoo.addAnimal(ostridge);
+    York_zoo.addAnimal(penguin);
+
+    York_zoo.addAnimal(shark);
+    York_zoo.addAnimal(clownfish);
+    York_zoo.addAnimal(trout);
+    
+    York_zoo.addAnimal(scorpion);
+    York_zoo.addAnimal(snake);
+    York_zoo.addAnimal(turtles);
+
+    York_zoo.displayAllAnimalDetails();
+    York_zoo.displayByhabitat("swamp");
+    York_zoo.displayFoodRequired();
+    York_zoo.displayAnimalDetails(clownfish);
+    }
+}

mamal.java

+public class mamal extends animal{
+    boolean land;
+
+    public mamal(){
+        super();
+        land=true;
+    }
+
+    public mamal(String input_name, String input_envi, String input_diet, String input_des, Boolean input_land){
+        name= input_name;
+        habitat=input_envi;
+        diet=input_diet;
+        des=input_des;
+        land=input_land;
+
+        if(land){extra="Land";}
+        else{extra="Water";}
+    }
+}
\ No newline at end of file

reptile.java

+public class reptile extends animal{
+    boolean poisonous;
+
+    public reptile(){
+        super();
+        poisonous=true;
+    }
+
+    public reptile(String input_name, String input_envi, String input_diet, String input_des, Boolean input_poisonous){
+        name= input_name;
+        habitat=input_envi;
+        diet=input_diet;
+        des=input_des;
+        poisonous=input_poisonous;
+
+        if(poisonous){extra="poisonous";}
+        else{extra="non-poisonous";}
+    }
+}
\ No newline at end of file

zoo.java

+import java.util.ArrayList;
+
+public class zoo{
+    String name;
+
+    ArrayList<animal> main_list = new ArrayList<animal>();
+    ArrayList<animal> mamal_list = new ArrayList<animal>();
+    ArrayList<animal> bird_list = new ArrayList<animal>();
+    ArrayList<animal> fish_list = new ArrayList<animal>();
+    ArrayList<animal> reptile_list = new ArrayList<animal>();
+
+    public zoo(){
+        name="No name";
+    }
+
+    public zoo(String input_name){
+        name=input_name;
+    }
+
+    public void addAnimal(animal tempAnimal){main_list.add(tempAnimal);};
+
+    public void displayAllAnimalDetails(){
+        for(int i = 0; i<main_list.size(); i++){
+            System.out.println("Name: "+ main_list.get(i).getName() + ", habitat: " + main_list.get(i).gethabitat() + ", Food: " + main_list.get(i).getDiet() + ", Description: " + main_list.get(i).getDesc() + ", Extra: " + main_list.get(i).getExtra());
+        }
+    }
+    
+    public void displayAnimalDetails(animal tempAnimal){
+        System.out.println("Name: "+ tempAnimal.getName() + ", habitat: " + tempAnimal.gethabitat() + ", Food: " + tempAnimal.getDiet() + ", Description: " + tempAnimal.getDesc() + ", Extra: " + tempAnimal.getExtra());
+    }
+
+    public void generateListByType(String animalType){
+        for(int i = 0; i<main_list.size(); i++){
+            if (main_list.get(i) instanceof mamal) {mamal_list.add(main_list.get(i));}
+            else if (main_list.get(i) instanceof bird) {bird_list.add(main_list.get(i));}
+            else if (main_list.get(i) instanceof reptile) {reptile_list.add(main_list.get(i));}
+            else if (main_list.get(i) instanceof fish) {fish_list.add(main_list.get(i));}
+        }
+    } 
+    
+    public void displayFoodRequired(){
+        for(int i = 0; i < main_list.size(); i++){
+            System.out.print(main_list.get(i).getName() + ": " + main_list.get(i).getDiet() + ", ");
+        }
+        System.out.println();
+    }
+
+    public void displayByhabitat(String input_habitat){
+        for(int i = 0; i<main_list.size(); i++){
+            if (main_list.get(i).gethabitat() == input_habitat){System.out.println(main_list.get(i).getName());}
+        }
+    }
+}
\ No newline at end of file