Implement exercise 2 and 3

HandleArray.java

@@ -0,0 +1,25 @@
+import java.util.Arrays;
+
+public class HandleArray {
+  public void printArray(int[] arrayInput) {
+    System.out.print(arrayInput[0] + " ");
+    if (arrayInput.length > 1) {
+      printArray(Arrays.copyOfRange(arrayInput, 1, arrayInput.length));
+    } else {
+      System.out.print("\n");
+    }
+  }
+
+  public void printArrayRev(int[] arrayInput) {
+    System.out.print(arrayInput[arrayInput.length-1] + " ");
+    if (arrayInput.length > 1) {
+      printArrayRev(Arrays.copyOfRange(arrayInput, 0, arrayInput.length-1));
+    } else {
+      System.out.print("\n");
+    }
+  }
+
+  public void sumRec() {
+    
+  }
+}

Main.java

@@ -1,11 +1,23 @@
 public class Main {
     // !!!!!DER REST DER AUFGABE IST IN DER README.md BEANTWORTET!!!!!
     public static void main(String[] args) {
+        // exercise 1
+        System.out.println("Aufgabe 1");
         IntToBinary intToBinary = new IntToBinary();
 
-        // Test function:
         System.out.println(intToBinary.binary(3));
         System.out.println(intToBinary.binary(6));
         System.out.println(intToBinary.binary(9));
+
+        // exercise 2
+        System.out.println("Aufgabe 2");
+        int[] array = {15,3,22,43};
+        HandleArray handleArray = new HandleArray();
+
+        handleArray.printArray(array);
+
+        // exercise 3
+        System.out.println("Aufgabe 3");
+        handleArray.printArrayRev(array);      
     }
 }

flake.nix

@@ -1,5 +1,5 @@
 {
-  description = "int to binary";
+  description = "Hausaufgabe 10.11.25";
 
   inputs = {
     flake-parts.url = "github:hercules-ci/flake-parts";
@@ -31,7 +31,7 @@
 
         packages = {
           default = pkgs.stdenv.mkDerivation {
-            pname = "int-to-binary";
+            pname = "Hausaufgabe1011";
             version = "1.0.0";
 
             src = ./.;
@@ -46,7 +46,7 @@
               mkdir -p $out/{bin,lib}
               cp *.class $out/lib
 
-              makeWrapper ${pkgs.lib.getExe jdk} $out/bin/int-to-binary --add-flags "-cp $out/lib/ Main"
+              makeWrapper ${pkgs.lib.getExe jdk} $out/bin/Hausaufgabe1011 --add-flags "-cp $out/lib/ Main"
             '';
           };
         };