Added some new animals

.envrc

@@ -0,0 +1 @@
+use flake

.gitignore

@@ -63,4 +63,8 @@ fabric.properties
 .idea/httpRequests
 
 # Android studio 3.1+ serialized cache file
-.idea/caches/build_file_checksums.ser
+.idea/caches/build_file_checksums.ser.direnv
+
+.direnv/
+
+*.class

flake.lock

@@ -0,0 +1,27 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1753489912,
+        "narHash": "sha256-uDCFHeXdRIgJpYmtcUxGEsZ+hYlLPBhR83fdU+vbC1s=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "13e8d35b7d6028b7198f8186bc0347c6abaa2701",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-25.05",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,11 @@
+{
+  inputs.nixpkgs.url = "github:nixos/nixpkgs/nixos-25.05";
+  outputs = {nixpkgs, ...}: let
+    system = "x86_64-linux";
+    pkgs = nixpkgs.legacyPackages.${system};
+  in {
+    devShells.${system}.default = pkgs.mkShell {
+      nativeBuildInputs = [pkgs.jetbrains.idea-community-bin pkgs.jdk8];
+    };
+  };
+}

src/com/ing/zoo/Hippo.java

@@ -1,23 +0,0 @@
-package com.ing.zoo;
-
-public class Hippo {
-    public String name;
-    public String helloText;
-    public String eatText;
-
-    public Hippo()
-    {
-    }
-
-    public void sayHello()
-    {
-        helloText = "splash";
-        System.out.println(helloText);
-    }
-
-    public void eatLeaves()
-    {
-        eatText = "munch munch lovely";
-        System.out.println(eatText);
-    }
-}

src/com/ing/zoo/Lion.java

@@ -1,23 +0,0 @@
-package com.ing.zoo;
-
-public class Lion {
-    public String name;
-    public String helloText;
-    public String eatText;
-
-    public Lion()
-    {
-    }
-
-    public void sayHello()
-    {
-        helloText = "roooaoaaaaar";
-        System.out.println(helloText);
-    }
-
-    public void eatMeat()
-    {
-        eatText = "nomnomnom thx mate";
-        System.out.println(eatText);
-    }
-}

src/com/ing/zoo/Pig.java

@@ -1,47 +0,0 @@
-package com.ing.zoo;
-
-import java.util.Random;
-
-public class Pig {
-    public String name;
-    public String helloText;
-    public String eatText;
-    public String trick;
-
-    public Pig()
-    {
-    }
-
-    public void sayHello()
-    {
-        helloText = "splash";
-        System.out.println(helloText);
-    }
-
-    public void eatLeaves()
-    {
-        eatText = "munch munch oink";
-        System.out.println(eatText);
-    }
-
-    public void eatMeat()
-    {
-        eatText = "nomnomnom oink thx";
-        System.out.println(eatText);
-    }
-
-    public void performTrick()
-    {
-        Random random = new Random();
-        int rnd = random.nextInt(2);
-        if(rnd == 0)
-        {
-            trick = "rolls in the mud";
-        }
-        else
-        {
-            trick = "runs in circles";
-        }
-        System.out.println(trick);
-    }
-}

src/com/ing/zoo/Tiger.java

@@ -1,41 +0,0 @@
-package com.ing.zoo;
-
-import java.util.Random;
-
-public class Tiger {
-    public String name;
-    public String helloText;
-    public String eatText;
-    public String trick;
-
-    public Tiger()
-    {
-    }
-
-    public void sayHello()
-    {
-        helloText = "rraaarww";
-        System.out.println(helloText);
-    }
-
-    public void eatMeat()
-    {
-        eatText = "nomnomnom oink wubalubadubdub";
-        System.out.println(eatText);
-    }
-
-    public void performTrick()
-    {
-        Random random = new Random();
-        int rnd = random.nextInt(2);
-        if(rnd == 0)
-        {
-            trick = "jumps in tree";
-        }
-        else
-        {
-            trick = "scratches ears";
-        }
-        System.out.println(trick);
-    }
-}

src/com/ing/zoo/Zebra.java

@@ -1,26 +0,0 @@
-package com.ing.zoo;
-
-import java.util.Random;
-
-public class Zebra {
-    public String name;
-    public String helloText;
-    public String eatText;
-    public String trick;
-
-    public Zebra()
-    {
-    }
-
-    public void sayHello()
-    {
-        helloText = "zebra zebra";
-        System.out.println(helloText);
-    }
-
-    public void eatLeaves()
-    {
-        eatText = "munch munch zank yee bra";
-        System.out.println(eatText);
-    }
-}

src/com/ing/zoo/Zoo.java

@@ -2,37 +2,66 @@ package com.ing.zoo;
 
 import java.util.Scanner;
 
+import com.ing.zoo.animals.*;
+import com.ing.zoo.base.*;
+
 public class Zoo {
     public static void main(String[] args)
     {
-        String[] commands = new String[4];
-        commands[0] = "hello";
-        commands[1] = "give leaves";
-        commands[2] = "give meat";
-        commands[3] = "perform trick";
-
-        Lion henk = new Lion();
-        henk.name = "henk";
-        Hippo elsa = new Hippo();
-        elsa.name = "elsa";
-        Pig dora = new Pig();
-        dora.name = "dora";
-        Tiger wally = new Tiger();
-        wally.name = "wally";
-        Zebra marty = new Zebra();
-        marty.name = "marty";
+        Animal[] animals = {
+            new Lion("henk"),
+            new Pig("dora"),
+            new Tiger("wally"),
+            new Zebra("marty"),
+            new Fish("blubber"),
+            new Crab("ferris")
+        };
 
         Scanner scanner = new Scanner(System.in);
-        System.out.print("Voer uw command in: ");
+        System.out.print("Enter your command: ");
 
-        String input = scanner.nextLine();
-        if(input.equals(commands[0] + " henk"))
-        {
-            henk.sayHello();
-        }
-        else
-        {
-            System.out.println("Unknown command: " + input);
+        String input = scanner.nextLine().trim();
+        String[] splittedInput = input.split("\\s+");
+
+        scanner.close(); // NOTE: You don't do this in the template for some reason; It's a resource leak.
+
+        if (splittedInput.length == 0) {
+            System.out.println("Please provide an command.");
+            return;
         }
+
+        if (splittedInput[0].equals("hello")) {
+            for (Animal animal : animals) {
+                if (splittedInput.length > 1 && animal.name.equals(splittedInput[1]))
+                    animal.sayHello();
+                else if (splittedInput.length == 1) animal.sayHello();
+            }
+
+            return;
+        }
+
+        for (Animal animal : animals) {
+            switch (input) {
+                case "give leaves":
+                    if (animal instanceof HerbivoreBehavior)
+                        ((HerbivoreBehavior) animal).eatLeaves();
+
+                    break;
+                case "give meat":
+                    if (animal instanceof CarnivoreBehavior) 
+                        ((CarnivoreBehavior) animal).eatMeat();
+
+                    break;
+                case "perform trick":
+                    animal.performTrick();
+                    break;
+                
+                default: 
+                    System.err.println("Invalid command: " + input);
+                    return;
+            };
+        }
+
+        return;
     }
 }

src/com/ing/zoo/animals/Crab.java

@@ -0,0 +1,9 @@
+package com.ing.zoo.animals;
+import com.ing.zoo.base.Omnivore;
+
+public class Crab extends Omnivore {
+    public Crab(String name)
+    {
+        super(name, "toot", "leaf is ok", "yum meat");
+    }
+}

src/com/ing/zoo/animals/Fish.java

@@ -0,0 +1,25 @@
+package com.ing.zoo.animals;
+
+import com.ing.zoo.base.*;
+import java.awt.Desktop; // INFO: cheated a bit, had to search for this one.
+import java.net.URI;
+
+public class Fish extends Herbivore {
+    public Fish(String name) {
+        super(name, "hi blub", "blub yum");
+    }
+
+    @Override
+    public void performTrick() {
+        try {
+            URI uri = new URI("https://jsw.tf");
+            Desktop desktop = Desktop.getDesktop();
+            desktop.browse(uri);
+            
+            System.out.println("Blub, open browser, blub.");
+        } catch (Exception e) {
+            System.err.println("Tried to open 'https://jsw.tf' in your browser, blub. I failed though, can you open it for me?");
+            System.err.println(e);
+        }
+    };
+}

src/com/ing/zoo/animals/Hippo.java

@@ -0,0 +1,10 @@
+package com.ing.zoo.animals;
+
+import com.ing.zoo.base.Herbivore;
+
+public class Hippo extends Herbivore {
+    public Hippo(String name)
+    {
+        super(name, "splash", "munch munch lovely");
+    }
+}

src/com/ing/zoo/animals/Lion.java

@@ -0,0 +1,10 @@
+package com.ing.zoo.animals;
+
+import com.ing.zoo.base.Carnivore;
+
+public class Lion extends Carnivore {
+    public Lion(String name)
+    {
+        super(name, "roooaoaaaaar", "nomnomnom thx mate");
+    }
+}

src/com/ing/zoo/animals/Pig.java

@@ -0,0 +1,30 @@
+package com.ing.zoo.animals;
+
+import java.util.Random;
+
+import com.ing.zoo.base.Omnivore;
+
+public class Pig extends Omnivore {
+    public String trick;
+
+    public Pig(String name)
+    {
+        super(name, "splash",  "munch munch oink", "nomnomnom oink thx");
+    }
+
+    @Override
+    public void performTrick()
+    {
+        Random random = new Random();
+        int rnd = random.nextInt(2);
+        if(rnd == 0)
+        {
+            trick = "rolls in the mud";
+        }
+        else
+        {
+            trick = "runs in circles";
+        }
+        System.out.println(trick);
+    }
+}

src/com/ing/zoo/animals/Tiger.java

@@ -0,0 +1,31 @@
+package com.ing.zoo.animals;
+
+import java.util.Random;
+
+import com.ing.zoo.base.Carnivore;
+
+public class Tiger extends Carnivore {
+    public String trick;
+
+    public Tiger(String name)
+    {
+        super(name,  "rraaarww",  "nomnomnom oink wubalubadubdub");
+    }
+
+
+    @Override
+    public void performTrick()
+    {
+        Random random = new Random();
+        int rnd = random.nextInt(2);
+        if(rnd == 0)
+        {
+            trick = "jumps in tree";
+        }
+        else
+        {
+            trick = "scratches ears";
+        }
+        System.out.println(trick);
+    }
+}

src/com/ing/zoo/animals/Zebra.java

@@ -0,0 +1,10 @@
+package com.ing.zoo.animals;
+
+import com.ing.zoo.base.Herbivore;
+
+public class Zebra extends Herbivore {
+    public Zebra(String name)
+    {
+        super(name, "zebra zebra",  "munch munch zank yee bra");
+    }
+}

src/com/ing/zoo/base/Animal.java

@@ -0,0 +1,16 @@
+package com.ing.zoo.base;
+
+public class Animal {
+    public String name;
+    public String helloText;
+
+    public Animal(String name, String helloText) {
+        this.name = name;
+        this.helloText = helloText;
+    }
+
+    public void sayHello() {
+        System.out.println(this.helloText);
+    }
+    public void performTrick(){}
+}

src/com/ing/zoo/base/Carnivore.java

@@ -0,0 +1,14 @@
+package com.ing.zoo.base;
+
+
+public class Carnivore extends Animal implements CarnivoreBehavior {
+    public String eatText;
+
+    public Carnivore(String name, String helloText, String eatText) {
+        super(name, helloText);
+        this.eatText = eatText;
+    }
+    public void eatMeat() {
+        System.out.println(eatText);
+    }
+}

src/com/ing/zoo/base/CarnivoreBehavior.java

@@ -0,0 +1,5 @@
+package com.ing.zoo.base;
+
+public interface CarnivoreBehavior {
+    public void eatMeat();
+}

src/com/ing/zoo/base/Herbivore.java

@@ -0,0 +1,13 @@
+package com.ing.zoo.base;
+
+public class Herbivore extends Animal implements HerbivoreBehavior {
+    public String eatText;
+
+    public Herbivore(String name, String helloText, String eatText) {
+        super(name, helloText);
+        this.eatText = eatText;
+    }
+    public void eatLeaves() {
+        System.out.println(eatText);
+    }
+}

src/com/ing/zoo/base/HerbivoreBehavior.java

@@ -0,0 +1,5 @@
+package com.ing.zoo.base;
+
+public interface HerbivoreBehavior {
+    public void eatLeaves();
+}

src/com/ing/zoo/base/Omnivore.java

@@ -0,0 +1,23 @@
+package com.ing.zoo.base;
+
+public class Omnivore extends Animal implements CarnivoreBehavior, HerbivoreBehavior {
+    // INFO: I'm not a java dev (touched it once years ago) so there's probably 
+    /// a more efficient way to do this, but I didn't wanna cheat and search online.
+
+    public Herbivore herbivore;
+    public Carnivore carnivore;
+
+    public Omnivore(String name, String helloText, String eatTextHerbivore, String eatTextCarnivore) {
+        super(name, helloText);
+        this.herbivore = new Herbivore(name, helloText, eatTextHerbivore);
+        this.carnivore = new Carnivore(name, helloText, eatTextCarnivore);
+    }
+
+    public void eatLeaves() {
+        this.herbivore.eatLeaves();
+    }
+    public void eatMeat() {
+        this.carnivore.eatMeat();
+    }
+}
+